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SQL Reference
Closes a cursor.
CLOSE { <cursor_name> | ALL }CLOSE frees the resources associated with an open cursor. After the cursor is closed, no subsequent operations are allowed on it. A cursor should be closed when it is no longer needed.
Every non-holdable open cursor is implicitly closed when a transaction is terminated by COMMIT or ROLLBACK. A holdable cursor is implicitly closed if the transaction that created it is prematurely ended via ROLLBACK. If the creating transaction successfully commits, the holdable cursor remains open until an explicit CLOSE is run, or the client disconnects.
A cursor is considered open when it is declared. Use the DECLARE statement to declare (and open) a cursor.
If a cursor is closed after a savepoint which is later rolled back, the CLOSE is not rolled back; that is, the cursor remains closed.
Close the cursor portala:
CLOSE portala;CLOSE is fully conforming with the SQL standard. CLOSE ALL is a YMatrix Database extension.