The Set Connection command specifies which connection to make current when more than one connection is open.
Use the Show Connections command to display open connections.
If there is no such connection, an error results and the current connection is unchanged.
SET CONNECTION Identifier
ij> protocol 'jdbc:derby:'; ij> connect 'sample' as sample1; ij> connect 'newDB;create=true' as newDB; ij (NEWDB)> show connections; SAMPLE1 - jdbc:derby:sample NEWDB* - jdbc:derby:newDB;create=true * = current connection ij(NEWDB)> set connection sample1; ij(SAMPLE1)> disconnect all; ij>