Transaction Database | Data warehouse database |
Dedicated database available for specific subject area or business application | Integrated from different business applications |
It does not keep history | It keeps history of data for analyzing past performance |
It allows user to perform the below DML operations (Select/Insert/Update/Delete) | It allows only Select for end users |
The main purpose is for using day to day transactions | Purpose is for analysis and reporting |
Data volume will be less | Data volume is huge |
Data stored in normalized format | Data stored in de-normalized format |
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