Summary
Data warehouse is a type of technology that is used to store and manage large amounts of data from multiple sources.
It is designed to be scalable, efficient, and easy to use, and provides a centralized repository for storing and managing data that can be used for business intelligence and other purposes.
Data warehouses have become an essential part of many organizations’ business intelligence and data management strategies.
In this post, we will explore the role of data warehouses in business intelligence and discuss why they play such an important part.
What is a Data Warehouse?
A data warehouse is a central repository of integrated data from one or more disparate sources. It is used to store current and historical data of interest to an organization and is used to create analytical reports for knowledge workers throughout the enterprise.
The process is sometimes called Data Warehousing, which is described as the practice of collecting and organizing data from multiple sources into a single, centralized repository.
Data Warehouse vs Database
A data warehouse is a collection of data from multiple sources, organized for reporting and analysis. It is a repository of integrated data from one or more sources.
In contrast, a database is a collection of organized data that is used to store and retrieve information. A database is usually more focused in scope than a data warehouse, with the purpose of storing and managing the data of a single application or business.
Data warehouses are usually maintained separately from operational databases, and can be used to store data from multiple sources.
Data Warehouse Is a OLAP Database
OLAP (Online Analytical Processing) is a type of database designed for rapid analysis of data. It uses a multidimensional structure that allows users to analyze related data from multiple perspectives and perform complex calculations quickly.
OLAP databases are optimized for data analysis tasks such as data mining, predictive analytics, and forecasting.
What Is The Role of Data Warehousing in Business Intelligence?
The data warehouse is an important part of an enterprise’s business intelligence system.
Data from disparate sources, such as customer transactions, sales data, human resources and employment records, and corporate financial information, is extracted, transformed into a common format, and then loaded into a single repository.
This single location serves as a unified source of truth that everyone in the enterprise can use when pulling business insights.
Data warehouses are designed to collect, aggregate, and format data over a long period of time in order to better support the analysis and reporting needs of the enterprise.



Difference between Business Intelligence and Data Warehouse
Business intelligence (BI) and data warehousing (DW) are two related but distinct concepts. Business intelligence refers to the tools and systems that are used to collect, store, and analyze data to help improve business decision making. This can include tools like dashboards, reports, and data visualization software that help people understand and make sense of data.
Data warehousing, on the other hand, is a specific type of technology that is used to store and manage large amounts of data from multiple sources. Data warehouses are typically designed to be scalable, efficient, and easy to use, and they provide a centralized repository for storing and managing data that can be used for business intelligence and other purposes.
In other words, business intelligence is a set of techniques and tools that are used to analyze data, while data warehousing is a specific type of technology that is used to store and manage that data. Both are important for helping organizations make better decisions based on data, but they serve different purposes.
How Is The Data Warehouse Used in Business Intelligence?
Data warehouses are designed to support business intelligence (BI) activities, such as analytics and reporting. They store current and historical data in one place that is used to create analytical reports for knowledge workers throughout the company.
A data warehouse is an essential component of a BI system. It can be used to help organizations make better decisions, improve operational efficiency, and increase customer satisfaction.
How Does a Database and Data Warehouse Support Business Intelligence?
A database and data warehouse support business intelligence by providing an organized structure for managing, storing, and analyzing data.
- The data warehouse houses large amounts of data from multiple sources, allowing for easy retrieval and analysis of the data. This data can be used to identify patterns and trends, as well as create predictive models and dashboards.
- Database allows for quick access to specific data points and can be used to generate reports or support decision-making.
By combining the power of a database and data warehouse, businesses can gain valuable insights into their operations and make informed decisions.
Definition of Business Intelligence
Business Intelligence (BI) is a technology-driven process of analyzing and visualizing data to extract valuable insights and inform decision-making. It involves the use of various tools and techniques to collect, store, and analyze data, and then presenting it in an easy-to-understand format.
The goal of BI is to provide organizations with the information they need to make informed decisions and drive business growth.
If you want to learn more about business intelligence (BI), we recommend our post Introduction to business intelligence (BI), or check out all of our posts related to business intelligence
Data has become one of the driving forces behind every successful business, and business intelligence engineers are the experts who help organizations harness the power of their data.
Benefits of Using Data Warehouse in BI
Some benefits of implementing a data warehouse with your business intelligence solution
- Improved Data Quality: Data warehouses are designed to accept only clean, accurate, and complete data. Data is collected and cleansed before it is loaded into the warehouse, reducing errors and inconsistencies. This helps ensure that the data is reliable and accurate for analysis.
- Single Version of Truth: Data warehouses provide a single version of truth that everyone in the organization can access. This helps ensure the data is consistent and accurate and provides a foundation for developing consistent business practices and processes.
- Improved Decision Making: Data warehouses provide a comprehensive view of the organization’s data, enabling users to gain insights not available in traditional systems. This helps to improve the accuracy and quality of decisions made by the organization.
- Reduced Costs: Data warehouses help to reduce costs associated with data storage, systems maintenance, and business intelligence. Data warehouses also help to reduce the need for expensive hardware and software, allowing organizations to save money while still leveraging the power of their data.
- Faster Access to Data: Data warehouses enable users to access data quickly, allowing them to make decisions faster and more efficiently. This helps to reduce the time it takes to analyze data and make decisions, resulting in improved business performance.
Best Data Warehouse for Business Intelligence
There are many different data warehouses available on the market today, and it can be difficult to determine which one is best for your business intelligence needs. Here are the most popular data warehouses for BI available
Top 5 Data Warehouses for BI
1. Amazon Redshift
Amazon Redshift is a fast, fully managed, petabyte-scale data warehouse service that makes it simple and cost-effective to analyze all your data using standard SQL and your existing business intelligence tools.
With Amazon Redshift, you can quickly analyze your data using familiar SQL-based tools and business intelligence (BI) applications, and gain new insights into your data.


2. Microsoft Azure SQL Data Warehouse
A cloud-based, fully-managed data warehousing service for personal and company use. With Azure SQL Data Warehouse, customers can quickly and easily scale up their data warehouse capacity to meet their performance and storage needs, while still maintaining full control over the security, compliance, and governance of their data.
It also has a range of features, such as data loading, data migration, query optimization and data visualization. Additionally, Azure SQL Data Warehouse provides customers with an integrated platform for data management and analytics.


3. Google BigQuery
Google BigQuery is a cloud-based, fully-managed data warehouse service from Google Cloud Platform that enables users to query massive datasets using SQL-like syntax. It integrates seamlessly with other Google Cloud Platform services and is designed to scale up and down to accommodate changes in data and usage.
BigQuery provides a simple web interface for loading and querying data, and supports a wide range of data formats such as CSV, JSON, and Avro. It also provides a variety of data analysis tools and services, such as machine learning and data visualization.


4. IBM Db2 Warehouse
IBM Db2 Warehouse offers a range of features and capabilities, including real-time data analytics, scalable storage and processing, and support for data integration and management. It also includes a web-based user interface that allows users to easily query and visualize data, as well as tools for managing and administering the system.
Db2 Warehouse is well suited for a variety of data-intensive applications, such as business intelligence, analytics, and reporting.


5. Snowflake
Snowflake is a cloud-based data warehousing platform that is designed to help organizations manage and analyze large amounts of structured and unstructured data. It is a fully-managed service that is scalable, flexible, and easy to use, and it offers a range of features and capabilities that are designed to support data-intensive applications, such as business intelligence, analytics, and reporting.
One of the key features of Snowflake is its ability to support data from a variety of sources, including relational databases, non-relational data stores, and flat files.
Snowflake is a popular choice for organizations that need a scalable, cloud-based data warehousing solution that can support a wide range of data-intensive applications.


Conclusion: Business Intelligence Data Warehouse
As we have seen, a data warehouse is a type of technology that is used to store and manage large amounts of data from multiple sources. It is designed to be scalable, efficient, and easy to use, and provides a centralized repository for storing and managing data that can be used for business intelligence and other purposes.



Data warehouses are typically used in conjunction with tools and techniques for analyzing and interpreting data, such as dashboards, reports, and data visualization software. Together, these tools and systems help organizations make better decisions based on data and improve their operations and processes.
FAQ: BI Data Warehouse
What is a data warehouse?
A data warehouse is a type of technology that is used to store and manage large amounts of data from multiple sources. u003cbru003eu003cbru003eIt is designed to be scalable, efficient, and easy to use, and provides a centralized repository for storing and managing data that can be used for business intelligence and other purposes.
Why are data warehouses important for business intelligence?
Data warehouses are an essential part of many organizations’ business intelligence strategies because they provide the foundation for many data-intensive applications, such as business intelligence, analytics, and reporting. u003cbru003eu003cbru003eThey allow organizations to integrate data from multiple sources, gain a more comprehensive view of their business, and make better decisions based on data.
How do data warehouses work?
Data warehouses typically use a combination of technologies, including databases, data integration tools, and data management software, to store and manage large amounts of data. u003cbru003eu003cbru003eThey are designed to be scalable, efficient, and easy to use, and provide a centralized repository for storing and managing data that can be used for business intelligence and other purposes.
What are the key features of data warehouses?
Some key features of data warehouses include the ability to support data from a variety of sources, real-time data analytics, scalable storage and processing, and support for data integration and management. u003cbru003eu003cbru003eThey also often include a web-based user interface that allows users to easily query and visualize data, as well as tools for managing and administering the system.
Are data warehouses only for large organizations?
Data warehouses can be used by organizations of all sizes, from small businesses to large enterprises. They are scalable and flexible, and can be customized to meet the specific needs of different organizations.