EXIT
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Commits the current transaction, closes the database, and ends the isql session.
EXIT;
Description: Both EXIT and QUIT close the database and end an isql session. EXIT commits any changes made since the last COMMIT or ROLLBACK, whereas QUIT rolls them back.
EXIT is equivalent to the end-of-file character, which differs across systems.
Important:
EXIT commits changes without prompting for confirmation. Before using EXIT, be sure that no transactions need to be rolled back.