Using LLBLGen Pro v5.3 Runtime Framework. Sorry for my mistake:replace firebird embedded with MySQL Server I have a question about there is a database existed. Sometimes the new database created by other software with the same schema. How can I select the specific database?

On the same server? When you sync the relational model data by using the Sync feature in the designer, and you connect to the server, you're presented with the relational model data and it should show the additional catalogs on the same server as well (if the user account has access to them of course)

Otis wrote:

On the same server? When you sync the relational model data by using the Sync feature in the designer, and you connect to the server, you're presented with the relational model data and it should show the additional catalogs on the same server as well (if the user account has access to them of course)

Yes,the same server . Is there any way using the generated code without change from designer? Like using the "select the database.table ..." t-sql cmd.

Yes Just use catalog name overwriting. https://www.llblgen.com/Documentation/5.3/LLBLGen%20Pro%20RTF/Using%20the%20generated%20code/Adapter/gencode_dataaccessadapter_adapter.htm#multi-tenancy-support-catalog-specific-persistence-info-sql-server-mysql

You can do this per call (as shown above) or once per application through configuration (in the configuration file (https://www.llblgen.com/Documentation/5.3/LLBLGen%20Pro%20RTF/Using%20the%20generated%20code/gencode_applicationconfiguration.htm#catalog-name-overwriting-sql-server-mysql) or through the RuntimeConfiguration class (https://www.llblgen.com/Documentation/5.3/LLBLGen%20Pro%20RTF/Using%20the%20generated%20code/gencode_runtimeconfiguration.htm#multi-tenancy-support-catalog-name-overwriting-sql-server-mysql) ). You want to do this per call or once?

Per call .

alonsoChen wrote:

Per call .

Then use the per-call overwriting in Adapter, the first link above. There's an example in the docs at the link