数据仓库和数据集市都用于存储数据。
数据仓库和数据集市之间的主要区别在于，数据仓库是本质上面向数据的数据库类型。而数据集市本质上是面向项目的数据库类型。数据仓库和数据集市这两者之间的另一个区别是，数据仓库的范围很大，而数据集市的范围有限。
让我们看看数据仓库和数据集市之间的区别：
| S.NO | Data Warehouse | Data Mart |
|---|---|---|
| 1. | Data warehouse is a Centralised system. | While it is a decentralised system. |
| 2. | In data warehouse, lightly denormalization takes place. | While in Data mart, highly denormalization takes place. |
| 3. | Data warehouse is top-down model. | While it is a bottom-up model. |
| 4. | To built a warehouse is difficult. | While to build a mart is easy. |
| 5. | In data warehouse, Fact constellation schema is used. | While in this, Star schema and snowflake schema are used. |
| 6. | Data Warehouse is flexible. | While it is not flexible. |
| 7. | Data Warehouse is the data-oriented in nature. | While it is the project-oriented in nature. |
| 8. | Data Ware house has long life. | While data-mart has short life than warehouse. |
| 9. | In Data Warehouse, Data are contained in detail form. | While in this, data are contained in summarized form. |
| 10. | Data Warehouse is vast in size. | While data mart is smaller than warehouse. |