What is Data Mart ? [ Types And Example ]

What is Data Mart ? [ Types And Example ]

Cover Image Of What is Data Mart ? [ Types And Example ]
Cover Image Of What is Data Mart ? [ Types And Example ]

A data mart is like a mini data warehouse  focused on a specific department or team within a company.  Imagine a large store with many departments, each with its own inventory. A data warehouse would be like a giant stockroom for the entire store,  while a data mart would be like a stockroom for a single department, like shoes or clothes.

Data marts are created from a subset of the data in a data warehouse, or they can be built independently.  They typically contain data that is relevant to a specific business function, such as sales, marketing, or finance. This makes it easier for those teams to analyze the data they need to make decisions.

Easy Definition:

A data mart is a smaller version of a data warehouse that focuses on a particular subject area or department within a business. It stores a specific set of data relevant to that team's needs, making it faster and easier to analyze.

Types of Data Marts: 

There are three main types:

  Subject-oriented: Focused on a specific business area, like sales or finance.

  Department-oriented: Caters to the needs of a particular department, like marketing or HR.

  Hybrid: A combination of subject-oriented and department-oriented data.


Let's say a company's marketing team wants to analyze customer trends. They can have a data mart that stores customer data, purchase history, and website behavior. This allows them to quickly identify patterns and make data-driven marketing decisions without needing the entire company's data.

Here are some of the benefits of using data marts:

Easier access to data: Data marts are smaller and more focused than data warehouses, so it's easier for people in a specific department to find the data they need.

Faster analysis: Because the data is already filtered and organized, it can be analyzed more quickly.

Lower cost: Data marts are less expensive to build and maintain than data warehouses.

If you're interested in learning more about data marts, you can search for "data mart vs data warehouse" to see a comparison of the two.

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