SET CONNECTION
Name
SET CONNECTION -- select a database connection
Synopsis
SET CONNECTION [ TO | = ] connection_name
Description
     SET CONNECTION sets the "current"
     database connection, which is the one that all commands use
     unless overridden.
    
Parameters
- connection_name
-         A database connection name established by
        the CONNECT command.
        
- DEFAULT
-         Set the connection to the default connection.
        
Examples
EXEC SQL SET CONNECTION TO con2;
EXEC SQL SET CONNECTION = con1;
Compatibility
     SET CONNECTION is specified in the SQL standard.