Spracherkennung für: .test vermutete Sprache: SQL {SQL[279] ABAP[270] VDM[111]} [Methode: maximale Elemente, drei Dimensionen]
--disable_warnings
DROP TABLE IF EXISTS t6;
--enable_warnings
CREATE TABLE t6(c1 TINYINT UNSIGNED NULL);
INSERT INTO t6 (c1) VALUES(NULL);
INSERT INTO t6 (c1) VALUES(0);
INSERT INTO t6 (c1) VALUES(255);
SELECT * FROM t6;
SELECT COUNT(c1) AS total_rows FROM t6;
SELECT COUNT(c1) AS positive_rows FROM t6 WHERE c1 > 0;
SELECT COUNT(c1) AS null_rows FROM t6 WHERE c1 IS NULL;
SELECT COUNT(c1) AS not_null_rows FROM t6 WHERE c1 IS NOT NULL;
DROP TABLE t6;
CREATE TABLE t6(c1 SMALLINT UNSIGNED NULL);
INSERT INTO t6 (c1) VALUES(NULL);
INSERT INTO t6 (c1) VALUES(0);
INSERT INTO t6 (c1) VALUES(255);
SELECT * FROM t6;
SELECT COUNT(c1) AS total_rows FROM t6;
SELECT COUNT(c1) AS positive_rows FROM t6 WHERE c1 > 0;
SELECT COUNT(c1) AS null_rows FROM t6 WHERE c1 IS NULL;
SELECT COUNT(c1) AS not_null_rows FROM t6 WHERE c1 IS NOT NULL;
DROP TABLE t6;
CREATE TABLE t6(c1 MEDIUMINT UNSIGNED NULL);
INSERT INTO t6 (c1) VALUES(NULL);
INSERT INTO t6 (c1) VALUES(0);
INSERT INTO t6 (c1) VALUES(255);
SELECT * FROM t6;
SELECT COUNT(c1) AS total_rows FROM t6;
SELECT COUNT(c1) AS positive_rows FROM t6 WHERE c1 > 0;
SELECT COUNT(c1) AS null_rows FROM t6 WHERE c1 IS NULL;
SELECT COUNT(c1) AS not_null_rows FROM t6 WHERE c1 IS NOT NULL;
DROP TABLE t6;
CREATE TABLE t6(c1 INT UNSIGNED NULL);
INSERT INTO t6 (c1) VALUES(NULL);
INSERT INTO t6 (c1) VALUES(0);
INSERT INTO t6 (c1) VALUES(255);
SELECT * FROM t6;
SELECT COUNT(c1) AS total_rows FROM t6;
SELECT COUNT(c1) AS positive_rows FROM t6 WHERE c1 > 0;
SELECT COUNT(c1) AS null_rows FROM t6 WHERE c1 IS NULL;
SELECT COUNT(c1) AS not_null_rows FROM t6 WHERE c1 IS NOT NULL;
DROP TABLE t6;
CREATE TABLE t6(c1 INTEGER UNSIGNED NULL);
INSERT INTO t6 (c1) VALUES(NULL);
INSERT INTO t6 (c1) VALUES(0);
INSERT INTO t6 (c1) VALUES(255);
SELECT * FROM t6;
SELECT COUNT(c1) AS total_rows FROM t6;
SELECT COUNT(c1) AS positive_rows FROM t6 WHERE c1 > 0;
SELECT COUNT(c1) AS null_rows FROM t6 WHERE c1 IS NULL;
SELECT COUNT(c1) AS not_null_rows FROM t6 WHERE c1 IS NOT NULL;
DROP TABLE t6;
CREATE TABLE t6(c1 BIGINT UNSIGNED NULL);
INSERT INTO t6 (c1) VALUES(NULL);
INSERT INTO t6 (c1) VALUES(0);
INSERT INTO t6 (c1) VALUES(255);
SELECT * FROM t6;
SELECT COUNT(c1) AS total_rows FROM t6;
SELECT COUNT(c1) AS positive_rows FROM t6 WHERE c1 > 0;
SELECT COUNT(c1) AS null_rows FROM t6 WHERE c1 IS NULL;
SELECT COUNT(c1) AS not_null_rows FROM t6 WHERE c1 IS NOT NULL;
DROP TABLE t6;
[Dauer der Verarbeitung: 0.16 Sekunden, vorverarbeitet 2026-10-08]
