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Why you need a data warehouse

Why you need a data warehouse

This blog explains why you need a data warehouse and the advantages and disadvantages that can come with one

What is a data warehouse?


A data warehouse is a central repository that allows an organization to store and analyse large amounts of data from a variety of sources. It is designed to handle huge amounts of data quickly and efficiently, making it easier to run complex queries and get timely results. However, there are both pros and cons to consider

Do you want to learn more about a data warehouse?

What is a data warehouse

Data Warehousing can be a key business asset, if it is carried out properly

A data warehouse has numerous advantages: 

  • Better decision making: A data warehouse allows you to store and analyse data from a variety of sources. This gives you a more complete picture of your business and helping you make better decisions. 
  • Improved performance: Data warehouses are designed to handle large amounts of data quickly and efficiently. Making it easier to run complex queries and get timely results. 
  • Data integration: A data warehouse allows you to integrate data from multiple sources and get a unified view of your data. Rather than having to deal with multiple silos of information. 
  • Data history: A data warehouse can store data over a long period of time, allowing you to track trends and changes in your business over time. 
  • Scalability: As your data grows, a data warehouse can scale to accommodate it. Making it easier to manage and analyse large amounts of data.

There are some disadvantages that need to be considered 

  • Complexity: Data warehouses can be complex to set up and manage. Especially if you have a large amount of data or a variety of different data sources. 
  • Data silos: If data is not properly integrated, a data warehouse can create silos of data that are not easily accessible by other systems or departments, leading to inefficiencies. 
  • Cost: Setting up and maintaining a data warehouse can be expensive, especially if you need to purchase hardware and software or hire specialized staff.

Why you need a data warehouse

You can read more about data warehousing in the cloud from Snowflake

Cloud Data Warehouse for Dummies by Snowflake

Summary

Data Warehousing is one of our core competencies. Not only from a technical point of view, but also from a practical real world use case,

Data warehouses may sound daunting, But the reality is that you can start off small at minimal cost and grow your data warehouse at the right pace for your business needs. We work with clients who typically have regret about not starting sooner

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Our Business Analytics Timesavers are selected from our day to day analytics consultancy work.  They are the everyday things we see that really help analysts, SQL developers, BI Developers and many more people.

Our blog has something for everyone, from tips for improving your SQL skills to posts about BI tools and techniques. We hope that you find these helpful!

Business Analytics Blog

By Simon Harrison

Simon Harrison Founder of Select Distinct Limited and a business intelligence expert