Configure Connection Mapping in Microstrategy

The following steps demonstrate the second scenario where two different data warehouses are used within the same project:

Create two different database connections - One that points to the data warehouse for the European users and the other that points to the data warehouse for USA users as shown below:
Select Europe as the default database connection for the database Instance as seen below:
Go to Project Configuration > Database Instances > Connection Mapping as seen below:
Click on New to create a new Connection Map and fill in the Criteria for the USA users for their connection mapping, as shown below:
Note: When creating a new connection map, the users can choose from the following two types of database instances.

Generally, users or groups are mapped to the data warehouse that has been defined as the default source of data for the project. However, users or groups in the project can also be mapped to another data source (for instance, SAP), since that source of data can also be accessed in the project for specific reporting needs.
1. Connection Mapping for warehouse - Select this option to map users or groups to the default warehouse that contains the data used for this project.
2. Connection mapping for other database instance - Select this option to map a user or group to a data source that is different from the default data warehouse selected for the project.
For this scenario, make sure to select "Connection Mapping for warehouse" under database Instance..
Now under Connection Mapping, both the user groups - Europe and USA will be able to use their own specified database connections from Step 1 when they access the database instance "Tutorial WH", as shown below:

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