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Data Warehouse: What Is It And Do You Need One?

Ever felt overwhelmed by mountains of data but underwhelmed by the lack of useful insights? Perhaps, your business is just lacking a robust data warehouse. The latter is a massive, well-organized digital library where all your business insights are stored for easy access and smart, quick analysis. The common myth is that this tool is just for the big players. Nope! As you’ll see in this guide, it’s actually helpful for any business that wants to use information effectively.

What is a Data Warehouse?

A data warehouse acts as a central repository where your business’s input from multiple sources is consolidated, organized, and stored for the long term. Unlike regular databases optimized for handling daily transactions quickly, a warehouse is designed for a different job — to make analyzing large volumes of information straightforward and swift.

Picture your business intelligence as a huge book collection. If a regular database is a stack of books piled up on a table, ready for quick use, a warehouse is more like an organized bookshelf where each book is placed according to genre, author, or topic for easy retrieval. This setup isn’t only for storage. Rather, it’s for making connections between pieces of input across time easy to find and understand.

Do You Need a Data Warehouse?

Deciding if this solution is right for your business boils down to a few clear signs.

1. Insight vs. Information Overload

If your business gathers tons of input but can’t quite turn it into clear, actionable insights, a data warehouse could be the solution. What you normally do then is contact a reputable development agency like Velvetech and order a custom solution specifically for your needs. The beauty of such a solution is that it will structure your input into a story about your business past and present.

2. Reporting Takes Forever

When pulling a simple report starts to feel like a marathon, it’s time to look at a data warehouse. The latter simplifies pulling complex reports from diverse sets of input and reduces the load on your primary databases. Needless to say, this speeds up the reporting process significantly. Again, the tool works more efficiently when it has a custom design.

3. Historical Data Comparison

If your business relies on understanding trends over time (like seasonal sales or year-over-year growth), storing historical data efficiently is key. A warehouse allows for quick access to any insights you need. It makes comparisons and analyses across different periods simple and effective.

4. Accuracy and Uniformity

When you integrate information from various sources, discrepancies are bound to happen. A warehouse helps standardize input, ensuring consistency across all your reports and analyses. This helps in making better decisions and also in maintaining the integrity of your intelligence.

How Is a Data Warehouse Deployed?

Deploying the solution involves choosing where and how your information will be stored and accessed. There are three primary deployment models — on-premises, cloud, and hybrid — each with its advantages and challenges. Understanding these can help you select the best fit for your business’s specific needs.


An on-premises warehouse is housed within your facilities, using your servers and storage. This setup offers the highest level of control over your intelligence and its security. It’s ideal for businesses that handle sensitive information, such as financial institutions or healthcare organizations.


  • Full control over the environment;
  • Enhanced security;
  • Easier compliance with regulations.


  • High initial costs for hardware and infrastructure;
  • Requires ongoing maintenance and upgrades by in-house IT staff;
  • Scalability can be limited and costly.


A cloud warehouse is hosted on the infrastructure of a cloud service provider. This model offers scalability and flexibility without large upfront capital expenditures on hardware. Providers like Amazon Web Services, Google Cloud Platform, and Microsoft Azure offer solutions that can scale dynamically according to your needs.


  • Lower upfront costs;
  • High scalability;
  • Offloading of maintenance and updates to the cloud provider.


  • Potential security concerns;
  • Depends on internet connectivity (can be an issue in areas with unreliable internet).


A hybrid warehouse combines elements of both on-premises and cloud deployments. It allows businesses to keep sensitive information on their servers and use the cloud for less sensitive operations.


  • Balances cost;
  • Allows for a phased approach to moving to the cloud.


  • Complexity in managing and integrating two different environments;
  • Potential data latency issues.

Final Thoughts

All in all, a data warehouse might be what you need to turn informational chaos into clarity. When used right, it makes information work for you and enables your business to move forward with confidence.

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