DISCONNECT Examples
1. Disconnect from the current database.
EXEC SQL DISCONNECT;
2. Disconnect a session in a multi-session application by specifying the connection name.
EXEC SQL DISCONNECT accounting;
3. Disconnect a session by specifying its session identifier.
EXEC SQL DISCONNECT SESSION 99;
4. On an error, roll back pending updates, disconnect the database session.
EXEC SQL WHENEVER SQLERROR GOTO err;
...
err:
EXEC SQL ROLLBACK;
EXEC SQL DISCONNECT;