NOTFOUND is a predefined constant used to check if an SQL statement returns rows.
NOTFOUND
The NOTFOUND constant is used to test the execution status of an SQL statement returning a result, to check whether rows have been found.
The NOTFOUND constant is equal to 100.
You typically compare SQLCA.SQLCODE to NOTFOUND, after a SELECT statement execution.
MAIN
DATABASE stores
SELECT tabid FROM systables WHERE tabid = 1
IF SQLCA.SQLCODE = NOTFOUND THEN
DISPLAY "No row was found"
END IF
END MAIN