Globally Affecting Cursors with SET AUTOFREE
If you include no FOR cursor_id or FOR cursor_id_var clause, then the scope of SET AUTOFREE is all subsequently-declared
cursors in the program (or more precisely, all cursors declared before a subsequent
SET AUTOFREE statement with no FOR clause globally resets the Autofree feature).
This example enables the Autofree feature for all subsequent cursors in the
program:
EXEC SQL set autofree;
The next example disables the Autofree feature for all subsequent cursors:
EXEC SQL set autofree disabled;