CLOSE SQL - Language Statements CLOSE close a cursor CLOSE cursor 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 open cursor is implicitly closed when a transaction is terminated by COMMIT or ROLLBACK. cursor The name of an open cursor to close. CLOSE CURSOR Message returned if the cursor is successfully closed. WARNING: PerformPortalClose: portal "cursor" not found This warning is given if cursor is not declared or has already been closed. PostgreSQL does not have an explicit OPEN cursor statement; a cursor is considered open when it is declared. Use the DECLARE statement to declare a cursor. Close the cursor liahona: CLOSE liahona; CLOSE is fully conforming with the SQL standard.