USE MULTIPLE DATABASES

4D v12 can be used to create, modify and use "external databases" via the SQL language.

An external database is an auxiliary 4D database linked with the main 4D database.

 

Multiple external databases can be used with the same 4D database, and a 4D client can access external databases on the same server.  This can all be accomplished without having to close or restart the application, in a matter totally transparent to the user.