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Books To Read About Data WarehouseThe top 10 derivative books cover a broad spectrum of topics related to data warehousing, including data modeling, ETL processes, project management, and implementation with various technologies. They are here to guide you so you can invest your valuable rupees in books worth your time.
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10 Different Data Warehouse Books# Books Author Published Rating
1. The Data Warehouse Toolkit: The Definitive Guide to Dimensional Modeling, 3rd Edition Ralph Kimball 2013 Amazon: 4.7
2. Agile Data Warehouse Design: Collaborative Dimensional Modeling, from Whiteboard to Star Schema Lawrence Corr, Jim Stagnitto
2011 Amazon:4.6
3. Database Systems: Introduction to Databases and Data Warehouses Nenad Jukic, Susan Vrbsky, Svetlozar Nestorov
2023 Amazon: 4.5
4. Building a Scalable Data Warehouse with Data Vault 2.0 Daniel Linstedt, Michael Olschimke 2023 Amazon:4.4
5. The Kimball Group Reader: Relentlessly Practical for Data Warehousing and Business Intelligence Remastered Collection
2010 Amazon:4.6
6. Agile Analytics: A Value-Driven Approach to Business Intelligence and Data Warehousing (Agile Software Development Series) Ken Collier
2011
Amazon: 4.3
7. Hadoop: The Definitive Guide: Storage and Analysis at Internet Scale Tom White 2023
Amazon 4.5
8. Building a Data Warehouse: With Examples in SQL Server (Expert’s voice) Vincent Rainardi 2008
9. Big Data: Principles and best practices of scalable real-time data systems Nathan Marz and James Warren
2012
10. Designing Data-Intensive Applications: The Big Ideas Behind Reliable, Scalable, and Maintainable Systems Martin Kleppmann 2023 Amazon: 4.8
Let us look at the Data Warehouse books and see which one best suits your needs:-
1. The Data Warehouse Toolkit: The Definitive Guide to Dimensional Modeling, 3rd EditionAuthors: Ralph Kimball and Margy Ross
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Book Review
A great addition to a businessman’s most used tools for knowing about BI/DW. The Book does well to promise to be helpful to both students and professionals alike. This reference book is necessary if you are thinking about repetitive analogies that will permanently reside in your brain.
Key Takeaway from that Book
The reading material includes well-made case studies from retail sales, financial services, etc., to derive the meaning of the Book’s concept in real life.
It contains value chain introduction, procurement transactions, bus matrix, order management, accounting, etc.
Authors: Lawrence Corr and Jim Stagnitto
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Book Review
The authors have done an excellent job presenting the topics of the agile manifesto with the BEAM approach that is perfect for people who want another feather in their cap through data warehousing. The author uses visual representation tools such as diagrams and little characters to make the text seem less daunting. The readers get a glimpse of modeling a data warehouse from working on the whiteboard to star schema and various other topics throughout the Book.
Key Takeaway from that Book
The topics of modeling business events, modeling star schemas, and design patterns for high-performance fact tables are explained in great detail for users to understand completely.
A unique feature of the Book is that we get summaries at the end of each chapter to glance back at the topics just read.
3. Database Systems: Introduction to Databases and Data WarehousesAuthors: Nenad Jukic, Susan Vrbsky, and Svetlozar Nestorov
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This Book has a good command over operational and analytical database systems and creating ERDplus, relational and dimensional models. This Book is an introductory guide to use in university classes.
Key Takeaway from that Book
Ideal for students looking to start as novices in data warehousing who want to practice with many exercises and practice sheets.
The excellently portrayed topics are ERD diagrams and relational entity models.
4. Building a Scalable Data Warehouse with Data Vault 2.0Author: Daniel Linstedt and Michael Olschimke
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Book Review
Welcoming you to a world of data vaults in data warehousing, this Book takes you on a wild ride touching the concepts of SQL Server Integration Services, data quality services, and master data services. Many topics are discussed in great detail with suitable diagrams and required references at the end.
Key Takeaway from that Book
This Book is for anyone wanting to dive into the data vault though it was a little outdated in 2023.
5. The Kimball Group Reader: Relentlessly Practical for Data Warehousing and Business Intelligence Remastered CollectionAuthors: Ralph Kimball, Margy Ross, Bob Becker, Joy Mundy, and Warren Thornthwaite
Get this Book here
Book Review
The authors have incorporated their year’s knowledge of data warehousing in the final series of the anthology, which is more comprehensive and expanded from the previous editions. The Book requires a prerequisite knowledge of the basics of the data warehouse discussed.
Key Takeaway from that Book
The Book covers 65 new articles and distinguishable features which were not there in the previous editions.
The book website has content with design tips available and is easily accessible for the general public to consume.
Outlines topics such as fact tables, ETL subsystems, data quality, BI application best practices, etc., briefly.
6. Agile Analytics: A Value-Driven Approach to Business Intelligence and Data Warehousing (Agile Software Development Series)Author: Ken Collier
Get this Book here
Book Review
The Book is easy to follow and precise, with information about agile analytics. The Book contains topics such as filibuster analytics and some truths about agile analytics, which are easy to understand.
The key takeaway from that Book
The topics of management methods and technical methods are heavily focused On Agile analytics.
The primary topics of these books are modeling business events, modeling business dimensions and facts, and measures and KPIs.
The Book is a complete meal for someone hungry to know much about agile for evolving excellent design, version control for data warehousing, and user stories for BI systems.
7. Hadoop: The Definitive Guide: Storage and Analysis at Internet ScaleAuthor: Tom White
Get this Book here
Book review
Tom White does an excellent job at capturing the core of Hadoop fair and square without meandering about nonsense. This book is a guide for everyone new to Hadoop open-source software. This Book is for anyone with some prerequisite knowledge of the open source.
Key Takeaway from that Book
The Book covers topics like how MapReduce works and administering Hadoop, Avro, parquet, and Hbase.
The Book contains ample code and theory to get you invested in Hadoop.
8. Building a Data Warehouse: With Examples in SQL Server (Expert’s Voice)Author: Vincent Rainardi
Book Review
A thorough guide to building a data warehouse simply yet eloquently. Promises an exhaustive list of data extraction, metadata, the architecture of data warehousing, etc. Experienced developers, managers working in the data warehouse field, and admins of DW are the main target this Book has been aimed for.
Key Takeaway from that Book
The Book thoroughly discusses building reports, populating the data warehouse, and data modeling.
The Book is built around a cluster of real-world cases with which the author had a chance to interact.
A must-have if you want access to practical implementation in a DW book using Microsoft SQL.
9. Big Data: Principles and best practices of Scalable real-time data SystemsAuthor: Nathan Marz
Get this Book here
Book Review
It is essentially a guide for people interested to know how technologies fit together in big data and how to choose the ideal tech stack for a specific problem. Recommended for anyone who wants to skim over the surface of the data warehouse.
Key Takeaway from that Book
An organized accumulated read-on data model for big data, serving layers, and stream processing.
Lambda architecture is the major attraction of this Book, and the code blocks of teaching Hadoop are written in Java, which can confuse some readers.
10. Designing Data-Intensive Applications: The Big Ideas Behind Reliable, Scalable, and Maintainable SystemsAuthor: Martin Kleppmann
Get this Book here
Book Review
A contemporary guide to unlocking concepts of modern networked applications that will stay in your mind long after you finish the Book. A primary focus is on the functionality of each model rather than the practical implementation.
Key Takeaway from that Book
The Book is divided into three parts: foundations of data systems, distributed data, and derived data.
The illustrations make the chapters enjoyable, while the text is helpful with accurate code snippets.
Batch processing, trouble with distributed systems, data models and query languages, and replication are some topics that are heavily focused on.
Recommended ArticlesOur Top 10 Data Warehouse books compilation aims to be helpful to you. For more such Data Warehouse books, EDUCBA recommends the following,
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10 Best Antivirus For Windows 10 You Should Use In 2023
Beware! If your personal computer lacks the much-needed safeguard to ward off hackers and spammers, you could well be their target sooner than later. They rightly say, “An ounce of prevention is better than a pound of cure.” So, tighten up your defense to secure both your Windows PC and sensitive information before it really gets too late. Agreed, Microsoft Windows has come a long way. Even the biggest detractors would admit that the software has vastly improved on all fronts. However, it’s still not perfect or for that matter invincible to tackle all sorts of security threats flawlessly. And, that’s why the need to have the best antivirus for Windows 10 becomes indispensable to shield the entire system by putting the hazards at bay.
Best Antivirus for Windows 10 in 2023 1. BitdefenderIn terms of reliable performance and the ability to deliver the best result consistently, “Bitdefender” stands out. No wonder it’s consistently got a high rating in AV-Test–an independent organization that evaluates antivirus as well as security software for Windows and Android.
One of my favorite features of Bitdefender is the more intuitive user-interface that ensures you can seamlessly handle all the tricks that the software comes with. Talking about the most notable features of Bitdefender Antivirus Plus 2023, it provides top-notch file encryption to keep your data secure. With reliable ransomware protection, it offers a strong shield to your important files to prevent unauthorized access.
Thanks to the pretty impressive malware defense, your computer is able to put malicious software at bay. You can make the most of the trusted VPN services to browse the web securely while shielding your online identity and personal info. Check out the appreciable parental control that can help you ideally control your computer to prevent your kids from misusing it.
Another super handy feature of this Windows antivirus software is Autopilot that makes the task of securing your system super simple. With the smart tips and guides, it keeps you one step ahead. Whenever it finds any weak link in your armory, it immediately alerts and also suggests you the ways to get rid of the flaw.
As compared to some of the notable rivals, Bitdefender takes slightly more time for the initial disk scan. Besides, it’s not the best when it comes to fighting out the specialized attacks. However, when you take everything into account, it does seem to have a slight edge over many of its counterparts.
Why Should You Consider Bitdefender?Well, there are multiple reasons why Bitdefender can be worth serious consideration. First and foremost, it works immaculately in keeping malicious stuff at bay. Second, it’s not taxing on the resources so your PC will keep running smooth even when it’s running in the background.
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2. BullGuard“BullGuard” is a powerhouse in more ways than one. What makes it so impressive is the ability to get the most out of your PC. So, once you’ve given this defender the full license to take control of your system, it will run pretty smoothly. Whether you are a 9-to-5 professional or a hardcore gamer who wants his/her PC to run in the top gear, this antivirus can live up to the demand.
I found BullGuard’s UI pretty neat as it makes navigation hassle-free. Moreover, you can quickly spot the essential stuff like missing Windows security updates and faulty auto-run settings. Moreover, it doesn’t take much time to scan your device and functions admirably in tackling nefarious attacks as well.
Why Should You Consider BullGuard?As an antivirus software, BullGuard has a lot to offer. If you are looking for a defender that can fight out malware with ease and also allow secure backup of files as well as make parental control pretty simple, it can turn out to be a solid bet. Not to mention the Game Booster that can keep your high-octane games in the top flight.
Price: Free trial, $29.95 for one year
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3. F-SecureAnother thing that’s worth mentioning is that it shields your data without slowing down your computer, unlike many ordinary antivirus software. Not to mention the password manager that can help you deal with passwords more conveniently. It is one of the best antivirus for Windows 10 that you can use right now.
Why Should You Consider F-Secure?If reliable performance is the main parameter to judge an antivirus software for PC, F-Secure has to be a top bet. It’s definitely at par with the best in the business. The light interface and the capability to ward off any malicious attack make it a go-to choice.
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4. McAfeeIf I were to call one antivirus for Windows 10 versatile, it has to be “McAfee.” From putting unwanted programs away to defending your computer against spyware and malware, it’s got you fully covered. With the built-in password manager, it ensures you are able to take control of all of your secret codes effortlessly. It creates a strong password for all of your online accounts and remembers them all. As a result, you will be able to securely and comfortably log in to your accounts.
It features a handy web-based console to let you safeguard and manage all of your devices from one place. Whether you are running a business or simply want to take control of many of your devices, this tool can make your task pretty easy.
Why Should You Consider McAfee?McAfee is a complete package. What has called for my attention in this antivirus software for Windows 10 is the efficient password manager and the web-based console feature which makes managing several devices a hassle-free experience. Well, if you want a versatile tool that ticks off most boxes with ease, you can’t go wrong with it.
Price: Free trial, $44.99
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5. Trend MicroDo you often find your PC stuttering or just unable to deliver the desired performance? If yes, consider having a go at “Trend Micro.” What this software basically does is allows you to ideally optimize your PC so that it can run with the needed flair. Thus, your workflow will continue to be in the top gear.
To further safeguard your online privacy, it blocks the dubious sites that steal the data of users. Therefore, you will be able to browse the web with the required security, knowing your sensitive data is fully protected.
Don’t want to let your kids have free run while using the PC or Windows laptop? Well, try out the well-thought-out parental control to not only limit how long they should use the device but also what sort of content they must avoid. As a parent, you would really appreciate this feature as it provides you enough control over your kid’s device to keep the inappropriate content at bay.
Why Should You Consider Trend Micro?Well, there are three features that make “Trend Micro” a fine option. First and foremost, it can let you optimize the performance of your computer. The second, it puts all the nefarious sites away to let you browse the web safely and protect your data. And third, it has a top-notch parental control feature, which ensures your kids stay away from obscene content.
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6. ESET“ESET” is one of the most reputable antivirus software for Windows 10 in the market with years of expertise. With it in the offing, you can expect your PC to be fully geared up to battle out various threats and remain safe. It provides complete protection to your data, thereby putting ransomware away.
Beyond protecting your data, ESET also plays a vital role in enhancing the performance of your computer. By keeping the corrupt files and dangerous malware at a long distance, it enables the PC to work with the needed speed.
Moreover, ESET lets you keep your entire passwords at one place and easily accessible. So, you can ideally manage and keep them away from anyone’s reach. Besides, it encrypts your entire folders in order that they can’t be manipulated by hackers.
Why Should You Consider ESET?With more than 30 years of expertise, ESET is undoubtedly a noted name. Taking the commendable functionality and intelligent features like banking protection as well as folder encryption into account, it’s got the quality to be a long-term prospect for your computer.
Price: Free trial, $39.99 (starting)
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7. AVGThere is also a clever software uninstaller to let you easily track down the bloatware and adware and eliminate them. As a result, your computer won’t be cluttered and be able to run with impressive speed.
Boasting the top-of-the-line 256-bit AES encryption, it provides a highly secure VPN. As a result, you will be able to use public Wi-Fi with the much-required security and prevent spammers from accessing your online data or finding your identity. What’s more, it also delivers file server security, spyware defense, and data transaction security to ensure your small or medium business functions in a safe environment.
Why Should You Consider AVG?AVG has got plenty of tricks up its sleeve to be a solid antivirus for Windows 10 or other compatible devices. The ability to track down junk files and let you wipe them out with ease makes it a great asset for your computer. Plus, features like app lock, email protection along with disk as well as browser cleaner ensure it takes care of most of your needs with little complaint.
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8. AvastAvast is the one of the few antivirus for Windows 10 that has always been among the most loved ones. Whether it’s a wide range of features or trusted performance, it ticks off most of the boxes effortlessly.
Using this software, you can track and block fake websites and browse the web with the needed safety. With internet security in place, your data will be encrypted so that hackers won’t be able to access it when you are online or navigating the web. Furthermore, it quickly spots the phishing emails and ensures you stay away from them.
It also has a web inspector that plays a vital role in making your web browsing safe. Its automatic software update ensures that your device runs the latest software as soon as it’s rolled out. Plus, the robust firewall and game mode further enhance your experience. Not to mention the webcam defense that shields your device camera from hidden spies.
Why Should You Consider Avast?One of the things that make “Avast” a fine bet is the range of top-of-the-line features. From a handy Wi-Fi inspector, useful game mode, a powerful firewall to automatic software updater, it’s designed to cater to your needs. On top of all, it’s free version has got a bit more teeth than others.
Price: Free, pro version comes at $39.99
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9. MalwarebytesAnd when you browse the web, it doesn’t allow malicious sites to track you or access your data. This way, you won’t have to worry about the security of your data while browsing the web. In a world where malware, spyware, and ransomware have become a big problem, Malwarebytes has become an essential defense system.
Why Should You Consider Malwarebytes?As I’ve said above, Malwarebytes is all about shielding your computer against malware attacks. So, if you want a tool that can do this job better than many other antivirus applications available in the market, it’s your thing. On top of that, it also does a great job of safeguarding your device against ransomware and offering dependable internet security.
Price: Free, pro version is available for $47.30/yearly
10. PandaLast but not least, Panda deserves a special mention in this roundup. This software has drastically improved to become a full-fledged protector for your computer. It’s got a very good record of detecting the virus and fighting out all the nefarious threats that always loom large.
To make your task easier, Panda allows you to schedule a periodic scan so that you don’t need to go through the drill manually. From a user-experience point of view, this is a handy implementation and makes the task of keeping the computer secure more convenient. It also automatically scans all the USB drives as soon as they are inserted. This way, it ensures there is no chance of any automatic execution of viruses from external storage devices.
What’s more, Panda also has a multimedia/game mode that plays a vital role in letting you want media or play games without any hiccups. This feature doesn’t allow viruses to play spoilsport or come in the way of enjoying media.
Why Should You Consider Panda Antivirus Software?Price: Free trial, $30.99/year
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Bonus: Microsoft DefenderTo empower your Windows 10 PC or laptop to thwart the threats of ransomware, malware, spyware, and other viruses, Microsoft offers “Defender.” The software has received high praise for being pretty good in keeping your computer safe. Moreover, it’s free and enabled by default. So, you should let it continue to do its job.
SEE ALSO: 10 Best Email Clients for Windows 10 You Should Use in 2023
So Which Windows 10 Antivirus Is for You?I hope that this list can help you find your ideal defender to offer a solid shield to your computer and also keep it running in the top-gear. As I have mentioned above, Microsoft Defender does a great job in safeguarding your Windows 10 device. However, it can’t go head-to-head against some of the best in the business. So, if your demand wants to have a bit more functional tool, go for third-party options.
Top 10 Trending Decentralised Applications You Should Know In 2023
The top trending decentralized applications in 2023 that run on blockchain networks without the need for third parties.
The technological world is constantly evolving, bringing with it new trends. Decentralized applications, or dApps, are one of the most intriguing trends that have been gaining traction. There is a high demand for these trending DApps in major industries such as finance, banking, e-commerce, social media, and gaming.
Axie Infinity
Axie Infinity is a non-fungible token-based online video game developed by the Vietnamese studio Sky Mavis, best known for its in-game economy based on Ethereum-based cryptocurrencies. It has been described as a “pyramid scheme that relies on cheap labour from countries such as the Philippines to fuel its growth.”
Compound
Compound is a DeFi protocol that enables functions such as lending and borrowing in a decentralized ecosystem. Compound, which is built on Ethereum, allows its users to earn money by providing liquidity to borrowers on the platform. The protocol automatically matches lenders and borrowers using an Automated Market Maker (AMM) to facilitate a simple and seamless function. Users who own the COMP token can also vote on important issues.
Maker DAO
MakerDAO is a decentralised platform best known for the DAI stablecoin. DAI is a stablecoin that is linked to the US dollar. It makes it easier to trade crypto tokens without being concerned about their volatility. It provides financial freedom and the benefits of decentralised payments while also maintaining fiat currency stability. MakerDAO is a Decentralized Autonomous Organization (DAO) that is not managed by a single company or entity. It is instead controlled by its users and MKR token holders.
NBA Top Shot
NBA Top Shot is a marketplace where digital basketball collectibles are sold as NFTs. Similarly, fans can use the NFT marketplace to trade, buy, and sell collectibles. The NBA Players Association, Dapper Labs, and the NBA collaborated to create the blockchain-based NBA trading cards. The Dapper Labs FLOW blockchain is used to power the NFT platform.
OpenSea
OpenSea is a decentralised exchange protocol based on Ethereum that allows users to trade on their own terms with no middlemen. To ensure fair trading conditions between buyers and sellers, it combines smart contracts and blockchain technology.
PancakeSwap
PancakeSwap is a blockchain-based decentralised exchange. It makes use of smart contracts to enable swaps between BEP-20 standard tokens. The platform also provides several ways for users to earn money from it. Yield farming, staking, lotteries, and even NFT collectibles are examples of these. The platform’s native token Is CAKE. It provides users with benefits such as staking and even participation in platform governance.
Splinterlands
Splinterlands is a digital card game in which you can earn money by playing. Furthermore, the game employs NFTs to provide players with ownership of their in-game assets and digital playing cards. Splinterlands is a Web3-powered gaming platform designed to address the shortcomings of traditional card trading games. Splinterlands has its own blockchain, which provides in-game stability. Aside from that, the gaming platform can be easily upgraded.
Step App
Step App is a popular Move to Earn app that lets you earn money while working out. It tracks your steps with your phone and rewards you with cryptocurrency for walking or running. The FITFI token powers the Step App. Users can stake this token to earn passively. Staking also enters users into random draws for new avatars, badges, and even sneakers.
Uniswap
Uniswap, like PancakeSwap, is a decentralised exchange (DEX). Uniswap, on the other hand, is built on the Ethereum blockchain and allows buyers and sellers to trade without the use of an intermediary. It has a larger token base because it supports all Ethereum ERC-20 tokens. Uniswap assists users in lowering gas fees by reducing the number of transactions that occur on Ethereum.
Yearn Finance
What Is Data Mart In Data Warehouse? Types & Example
What is Data Mart?
A Data Mart is focused on a single functional area of an organization and contains a subset of data stored in a Data Warehouse. A Data Mart is a condensed version of Data Warehouse and is designed for use by a specific department, unit or set of users in an organization. E.g., Marketing, Sales, HR or finance. It is often controlled by a single department in an organization.
Data Mart usually draws data from only a few sources compared to a Data warehouse. Data marts are small in size and are more flexible compared to a Datawarehouse.
In this tutorial, you will learn-
Why do we need Data Mart?
Data Mart helps to enhance user’s response time due to reduction in volume of data
It provides easy access to frequently requested data.
Data mart are simpler to implement when compared to corporate Datawarehouse. At the same time, the cost of implementing Data Mart is certainly lower compared with implementing a full data warehouse.
Compared to Data Warehouse, a datamart is agile. In case of change in model, datamart can be built quicker due to a smaller size.
A Datamart is defined by a single Subject Matter Expert. On the contrary data warehouse is defined by interdisciplinary SME from a variety of domains. Hence, Data mart is more open to change compared to Datawarehouse.
Data is partitioned and allows very granular access control privileges.
Data can be segmented and stored on different hardware/software platforms.
Types of Data MartThere are three main types of data mart:
Dependent: Dependent data marts are created by drawing data directly from operational, external or both sources.
Independent: Independent data mart is created without the use of a central data warehouse.
Hybrid: This type of data marts can take data from data warehouses or operational systems.
Dependent Data MartA dependent data mart allows sourcing organization’s data from a single Data Warehouse. It is one of the data mart example which offers the benefit of centralization. If you need to develop one or more physical data marts, then you need to configure them as dependent data marts.
Dependent Data Mart in data warehouse can be built in two different ways. Either where a user can access both the data mart and data warehouse, depending on need, or where access is limited only to the data mart. The second approach is not optimal as it produces sometimes referred to as a data junkyard. In the data junkyard, all data begins with a common source, but they are scrapped, and mostly junked.
Dependent Data Mart
Independent Data MartAn independent data mart is created without the use of central Data warehouse. This kind of Data Mart is an ideal option for smaller groups within an organization.
An independent data mart has neither a relationship with the enterprise data warehouse nor with any other data mart. In Independent data mart, the data is input separately, and its analyses are also performed autonomously.
Implementation of independent data marts is antithetical to the motivation for building a data warehouse. First of all, you need a consistent, centralized store of enterprise data which can be analyzed by multiple users with different interests who want widely varying information.
Independent Data Mart
Hybrid Data Mart:A hybrid data mart combines input from sources apart from Data warehouse. This could be helpful when you want ad-hoc integration, like after a new group or product is added to the organization.
It is the best data mart example suited for multiple database environments and fast implementation turnaround for any organization. It also requires least data cleansing effort. Hybrid Data mart also supports large storage structures, and it is best suited for flexible for smaller data-centric applications.
Hybrid Data Mart
Steps in Implementing a DatamartImplementing a Data Mart is a rewarding but complex procedure. Here are the detailed steps to implement a Data Mart:
DesigningDesigning is the first phase of Data Mart implementation. It covers all the tasks between initiating the request for a data mart to gathering information about the requirements. Finally, we create the logical and physical Data Mart design.
The design step involves the following tasks:
Gathering the business & technical requirements and Identifying data sources.
Selecting the appropriate subset of data.
Designing the logical and physical structure of the data mart.
Data could be partitioned based on following criteria:
Date
Business or Functional Unit
Geography
Any combination of above
What Products and Technologies Do You Need?
A simple pen and paper would suffice. Though tools that help you create UML or ER diagram would also append meta data into your logical and physical designs.
ConstructingThis is the second phase of implementation. It involves creating the physical database and the logical structures.
This step involves the following tasks:
Implementing the physical database designed in the earlier phase. For instance, database schema objects like table, indexes, views, etc. are created.
What Products and Technologies Do You Need?
You need a relational database management system to construct a data mart. RDBMS have several features that are required for the success of a Data Mart.
Storage management: An RDBMS stores and manages the data to create, add, and delete data.
Fast data access: With a SQL query you can easily access data based on certain conditions/filters.
Data protection: The RDBMS system also offers a way to recover from system failures such as power failures. It also allows restoring data from these backups incase of the disk fails.
Multiuser support: The data management system offers concurrent access, the ability for multiple users to access and modify data without interfering or overwriting changes made by another user.
Security: The RDMS system also provides a way to regulate access by users to objects and certain types of operations.
In the third phase, data in populated in the data mart.
The populating step involves the following tasks:
Source data to target data Mapping
Extraction of source data
Cleaning and transformation operations on the data
Loading data into the data mart
Creating and storing metadata
What Products and Technologies Do You Need?
You accomplish these population tasks using an ETL (Extract Transform Load) Tool. This tool allows you to look at the data sources, perform source-to-target mapping, extract the data, transform, cleanse it, and load it back into the data mart.
In the process, the tool also creates some metadata relating to things like where the data came from, how recent it is, what type of changes were made to the data, and what level of summarization was done.
AccessingAccessing is a fourth step which involves putting the data to use: querying the data, creating reports, charts, and publishing them. End-user submit queries to the database and display the results of the queries
The accessing step needs to perform the following tasks:
Set up a meta layer that translates database structures and objects names into business terms. This helps non-technical users to access the Data mart easily.
Set up and maintain database structures.
Set up API and interfaces if required
What Products and Technologies Do You Need?
You can access the data mart using the command line or GUI. GUI is preferred as it can easily generate graphs and is user-friendly compared to the command line.
ManagingThis is the last step of Data Mart Implementation process. This step covers management tasks such as-
Ongoing user access management.
System optimizations and fine-tuning to achieve the enhanced performance.
Adding and managing fresh data into the data mart.
Planning recovery scenarios and ensure system availability in the case when the system fails.
What Products and Technologies Do You Need?
You could use the GUI or command line for data mart management.
Best practices for Implementing Data MartsFollowing are the best practices that you need to follow while in the Data Mart Implementation process:
The source of a Data Mart should be departmentally structured
The implementation cycle of a Data Mart should be measured in short periods of time, i.e., in weeks instead of months or years.
It is important to involve all stakeholders in planning and designing phase as the data mart implementation could be complex.
Data Mart Hardware/Software, Networking and Implementation costs should be accurately budgeted in your plan
Even though if the Data mart is created on the same hardware they may need some different software to handle user queries. Additional processing power and disk storage requirements should be evaluated for fast user response
A data mart may be on a different location from the data warehouse. That’s why it is important to ensure that they have enough networking capacity to handle the Data volumes needed to transfer data to the data mart.
Implementation cost should budget the time taken for Datamart loading process. Load time increases with increase in complexity of the transformations.
Advantages
Data marts contain a subset of organization-wide data. This Data is valuable to a specific group of people in an organization.
It is cost-effective alternatives to a data warehouse, which can take high costs to build.
Data Mart allows faster access of Data.
Data Mart is easy to use as it is specifically designed for the needs of its users. Thus a data mart can accelerate business processes.
Data Marts needs less implementation time compare to Data Warehouse systems. It is faster to implement Data Mart as you only need to concentrate the only subset of the data.
It contains historical data which enables the analyst to determine data trends.
Many a times enterprises create too many disparate and unrelated data marts without much benefit. It can become a big hurdle to maintain.
Data Mart cannot provide company-wide data analysis as their data set is limited.
Summary:
Define Data Mart : A Data Mart is defined as a subset of Data Warehouse that is focused on a single functional area of an organization.
Data Mart helps to enhance user’s response time due to a reduction in the volume of data.
Three types of data mart are 1) Dependent 2) Independent 3) Hybrid
Important implementation steps of Data Mart are 1) Designing 2) Constructing 3 Populating 4) Accessing and 5)Managing
The implementation cycle of a Data Mart should be measured in short periods of time, i.e., in weeks instead of months or years.
Data mart is cost-effective alternatives to a data warehouse, which can take high costs to build.
Data Mart cannot provide company-wide data analysis as data set is limited.
Business Intelligence Vs Data Warehouse
Difference Between Business Intelligence vs Data Warehouse
Hadoop, Data Science, Statistics & others
Data Warehouse (DW) is simply a consolidation of data from various sources that set a foundation for Business Intelligence, which helps in making better strategic and tactical decisions. So I can say Data Warehouses have business meaning baked into them. Database stores data from different sources in a common format, and The Warehouse is like Godown (Big Building), where many things may be stored. Still, Data- Warehouse works with intelligent algorithms like Indexing, which helps locate and retrieve easily and on the same concept.
Data Warehouse is similar to a relational database aimed at querying and analyzing the data rather than for transaction processing. It usually contains historical data derived from transaction data but can include data from various sources. Data Warehouses hold data, in fact, Tables (Tables that cover numbers such as revenue and Costs) and Dimensions (Group Facts by different attributes like region, office, or week).
I will use certain abbreviations like BI for Business Intelligence and DW for Data Warehouse, as it’s easy to write. So far, I hope you have got enough understanding about both Business Intelligence and Data Warehouse concepts which are so commonly used in the Data Analytics Domain. These are so mistakenly used that even people in this domain are unsure what and when to use them.
Now let’s understand exactly what business intelligence is, which has created so much confusion in the Analytics industry as some people use both terms interchangeably. Lots of discussions are going on the internet.
A Business Intelligence system tells you what happened or is happening in your business; it describes the situation to you. Also, a good BI platform represents this to you in real time in a granular, accurate, and presentable form.
I will tell you why it is so intelligent; using Data is simple. Data is accumulated over a significant amount of time from several disparate sources.
But now, a fundamental question arises about where this data is. This data is stored in the Data Warehouse (DDS, Cubes). And BI systems use Data Warehouse data and let you apply chosen metrics to potentially massive, unstructured data sets and cover querying, data mining, online analytical processing (OLAP), reporting, and business performance monitoring predictive and prescriptive analytics.
So now let’s compare Business Intelligence and Data Warehouse to better understand by comparing.
Head-to-Head Comparison Between Business Intelligence vs Data Warehouse (Infographics)Below are the top 5 comparisons between Business Intelligence vs Data Warehouse:
Key Differences Between Business Intelligence vs Data WarehouseFollowing are the differences between Business Intelligence vs Data Warehouse:
BI means finding insights that portray a business’s current picture (How and What) by leveraging data from the Data Warehouse (DW).
BI is about accessing and exploring an organization’s data, while Data Warehouse is about gathering, transforming, and storing data.
DW outlines the actual Database creation and integration process along with Data Profiling and Business validation rules. At the same time, Business Intelligence uses tools and techniques that focus on counts, statistics, and visualization to improve business performance.
BI deals with OLAP, data visualization, data mining, and query/reporting tools. In contrast, DW deals with data acquisition, metadata management, data cleansing, data transformation, data distribution, and data recovery/backup planning.
DW teams use tools like Ab Initio Software, Amazon Redshift, Informatica, etc., while BI teams use tools like Cognos, MSBI, Oracle BI, Pentaho, QlikView, etc.
Software engineers, mainly Data Engineers, deal with DW, while top executives, Managers deal with BI.
Business Intelligence vs Data Warehouse Comparison TableBelow is the comparison table between Business Intelligence vs Data Warehouse.
Basis for Comparison Business Intelligence Data Warehouse
What it is System for deriving insights related to business. Data Storage: historical along with the current.
Source Data from Data warehouse. Data from several Data sources and applications.
Output Business reports, charts, graphs. Data, in fact, and dimension tables for upstream applications or BI tools.
Audience Top executives, Manager Data Engineers, Data Analysts, and Business Analysts.
Tools MSBI, QlikView, Cognos, etc. Ab Initio Software, Amazon Redshift, Informatica.
ConclusionSo I finally want to conclude this article as BI tools like QlikView, MSBI, and Oracle BI all access data from Data Warehouses. And let business users create more granular and presentable reports, graphs, and charts, which help top executives to make more effective business decisions in different functional areas like finance, supply chain, human resources, sales & marketing, and customer service.
Recommended ArticlesThis is a guide to Business Intelligence vs Data Warehouse. Here we have discussed head-to-head comparison, key differences, and a comparison table. You may also look at the following articles to learn more –
10 Best Roblox Slender Outfits You Should Try
With more than 52 million daily active users (DAUs), the Roblox community is huge and growing. That means it can be hard to make your mark in the community or to truly fit in. But fortunately, following the trendy Roblox Slender outfits is a fun way to make your experience memorable. You just need to buy Robux, grab the perfect outfit, and jump into your favorite game. Your looks will take care of the rest and help you stand out among countless other players. Having said that, let’s explore the best Roblox Slender outfits you can get in 2023!
Top Roblox Slender Outfits Ideas (2023)Since creating a Roblox character involves individual components, you might have to purchase some of them. So, before you dive in, make sure to add some Robux to your account. Moreover, if you aren’t aware of Slender outfits in Roblox, it’s a goth dressing style inspired by the internet myth of the Slender Man, and players across the world are adopting it.
The Roblox Slender features a character with dark clothes alongside an extra thin and tall body. To learn more, use our dedicated guide on what is a Roblox Slender and where the trend originated from. With that said, let’s take a look at some of the best outfits.
1. Squad Ghouls: Drop Dead TeddStarting with the simplest option, we first have an interesting official costume of a ghoul named Tedd. They wear modern torn clothing, an eye patch, and have a zombie-like appearance. But the best part is that Tedd’s Roblox Slender outfit is completely free. On a regular day, Tedd would appear like a disco zombie, but with the Slender and think body, it can be a true nightmare.
2. Hidden in BlackConcept by ray2811
Not all Roblox Slender outfits have to be scary, some can just be mysterious, and this is one of them. You have an all-black outfit with cool earphones, a beanie, and a face mask. It is not only stylish but also perfect to be the main avatar of the players, aiming for a stealthy and emo vibe.
Required Items:
Beanie Headphones Black
Roblox 2.0
Black Hooded Puffer Jacket
Black Short Parted Hair
Black Cargo Pants
Tactical Sniper Mask
Black T-shirt
Cost: 335 Robux
3. Samurai SkeletonConcept by jhomarlawa
Generally, Slender outfits in Roblox are inspired by western dressing styles. But that doesn’t have to be the case at all times. Breaking the stereotypes, this outfit is inspired by Japanese samurai-like costumes and streetwear-like clothing. The red-black color combination and the straw hat further add to the aesthetics. However, to top off the scary vibes, the outfit features a skull head, which reflects Slender Man’s blank face.
Knit Sweater – Black
Plastic Jacket Black Red
Utility Pants Black Red
Skelly – Head
Squad Ghouls: Drop Dead Tedd torso
Denny legs
Ralph Lauren Pilot Sunglasses Black
Devil Straw Samurai Hat
Summer arms
Cost: 585 Robux
4. Ghost Samurai GirlConcept by Sxphiixo
While we are on the topic of samurais, it’s time to bring the girl Roblox outfits into the mix. This Slender outfit gives you a goth-style outfit along with an Anime hairstyle and a goth bat in Roblox. Along with the traditional thin Slender style, the outfit also features trendy long socks, a blank Slender face, and stylish headphones.
Required Items:
~ Shirt
~ Pant
Cutsie Goth Bat
Cuddly Teddy Bonnet Black n White
Black Wavy Simplistic Hair
Black Anime Princess Ponytails
Void Mask
Pink Punk Rock Headphones
Bow Braids & Wispy Bangs
Floating Silver Sparkling Shine
Cost: 629 Robux
5. Dark Shattered DemonRequired Items:
Dark Shattered Demon
Dark Shattered Demon Eye
Void Skull Chain
Black and White Council Robe Shirt
Black and White Council Robe Pants
Black Flame Aura
Black Flame Aura – Top
Cape of Darkness
Wicked Devil’s Horns
Beautiful Hair for Beautiful People
Robloxian 2.0
Cost: 525 Robux
6. Devil with HornsConcept by MohamedHamo5
As you continue exploring this Roblox Slender outfit list, you will notice that half of our costumes are devilish while others are stylish and streetwear-inspired. But this outfit sits perfectly in the middle. You have a cool Slender outfit with a grunge look, thanks to the flannel and Vans shoes, but you also have devilish black horns to elevate the vibe. It’s the perfect outfit for all the party experiences of Roblox.
Required Items:
Vintage Glasses
Black Demonic Horns
Cool Boy Hair
Black Short Parted Hair
Vans Pants
Err…
Beautiful Hair for Beautiful People
Black Trendy Hat
Eboi shirt
Dark Katana
Anime Darkness Katana
Robloxian 2.0
7. BatmanConcept by XUltraBird
If we had to compare the Slender Man to superheroes in style, then without a doubt, Batman comes up as the obvious choice. Both of them share similar dark vibes, attitudes, and clothing choices. And if you want the heroic side of Slender outfits in your wardrobe, this is a must-have. It gives you a Lego-Batman-like look but with an interesting Roblox take on it. The concept doesn’t look as thin or slender, but it’s up to you to dress it according to your liking.
Required Items:
The Batman II shirt
The Batman II shirt
The Batman II pants
Pointy Black Canine Ears
Tactical Pouches
Badlander Elite Armor
Heroic Black Cape
Black Balaclava
Black Cozy Scarf
Raig Face
Robber Mask
Cost: 840 Robux
8. Simple Black OutfitConcept by Garima9361
Almost all of the other entries in our list of the best Roblox Slender outfits offer some over-the-top accessories to make you stand out. But, if you are looking for something minimal yet trendy, this will be the perfect choice for you. You get an all-black outfit with a black crop top, long black socks, a choker, and a cool hairstyle.
Aesthetic crop black top
Black skirt w/ black socks
Whistle
Color Changing Head – White to Black
Light Brown Layered Fringe
Cost: 172 Robux
9. Demon with TridentConcept by HoneyCherioo
Roblox outfits are all about being memorable in a group of thousands. This Slender outfit does that by going all out in a demonic style, but with a dash of cuteness. It features a mix of pink, white, and black accessories, giving off the vibes of a dark possession – a villain that you’d want to stay away from or befriend for its immense power like Harley Quinn. You have to become a girl demon with pink horns, a black trident, and a scary teddy bear hanging from your dress to give off this vibe.
Required Items:
Loose Black Anime Side Buns
Black Demon Trident
Demon Tail
Black Polar Cub Plush
Pink Cutesy Demon Headband
Pink Heart Eyepatch
Whistle
Pink black aesthetic outfit
Black and pink kuromi crop top
Cost: 449 Robux
10. Classic Body Slender OutfitConcept by BadError123
Required Items
Super Shy Glasses
Classy Black High Ponytail
Red Heart Confetti
Black Fluffy Aesthetic Bunny Hat
Medical Mask (Black)
Laid-back Earbuds
Sweater Socks
Smil Nas X
Black Messenger Bag
Beautiful Hair for Beautiful People
Black Winter Scarf
Remember top
Cost: 786 Robux
Create Your Perfect Roblox Slender Outfit Today
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