Spracherkennung für: .test vermutete Sprache: SQL {SQL[288] ABAP[168] VDM[96]} [Methode: maximale Elemente, drei Dimensionen]
--disable_warnings
DROP TABLE IF EXISTS t7;
--enable_warnings
CREATE TABLE t7(c1 ENUM('a','abcdefghijabcdefghijabcdefghijabcdefghijabcdefghij') NULL);
INSERT INTO t7(c1) VALUES(NULL);
INSERT IGNORE INTO t7(c1) VALUES('');
INSERT INTO t7(c1) VALUES('a');
INSERT INTO t7(c1) VALUES('abcdefghijabcdefghijabcdefghijabcdefghijabcdefghij');
INSERT IGNORE INTO t7(c1) VALUES('abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij');
SELECT * FROM t7;
SELECT COUNT(c1) AS null_rows FROM t7 WHERE c1 IS NULL;
DROP TABLE t7;
[Dauer der Verarbeitung: 0.12 Sekunden, vorverarbeitet 2026-10-08]
