SET SQL_MODE="TRADITIONAL,ANSI"; --disable_warnings DROP TABLE IF EXISTS t4; --enable_warnings CREATE TABLE t4(c1 TINYINT UNSIGNED NOT NULL); --error 1048 INSERT INTO t4 (c1) VALUES(NULL); INSERT INTO t4 (c1) VALUES(0); --error 1264 INSERT INTO t4 (c1) VALUES(-1); --error 1366 INSERT INTO t4 (c1) VALUES('x'); INSERT INTO t4 (c1) VALUES('9'); SELECT COUNT(c1) AS total_rows FROM t4; SELECT COUNT(c1) AS null_rows FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS not_null_rows FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t4; CREATE TABLE t4(c1 SMALLINT UNSIGNED NOT NULL); --error 1048 INSERT INTO t4 (c1) VALUES(NULL); INSERT INTO t4 (c1) VALUES(0); --error 1264 INSERT INTO t4 (c1) VALUES(-1); --error 1366 INSERT INTO t4 (c1) VALUES('x'); INSERT INTO t4 (c1) VALUES('9'); SELECT COUNT(c1) AS total_rows FROM t4; SELECT COUNT(c1) AS null_rows FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS not_null_rows FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t4; CREATE TABLE t4(c1 MEDIUMINT UNSIGNED NOT NULL); --error 1048 INSERT INTO t4 (c1) VALUES(NULL); INSERT INTO t4 (c1) VALUES(0); --error 1264 INSERT INTO t4 (c1) VALUES(-1); --error 1366 INSERT INTO t4 (c1) VALUES('x'); INSERT INTO t4 (c1) VALUES('9'); SELECT COUNT(c1) AS total_rows FROM t4; SELECT COUNT(c1) AS null_rows FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS not_null_rows FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t4; CREATE TABLE t4(c1 INT UNSIGNED NOT NULL); --error 1048 INSERT INTO t4 (c1) VALUES(NULL); INSERT INTO t4 (c1) VALUES(0); --error 1264 INSERT INTO t4 (c1) VALUES(-1); --error 1366 INSERT INTO t4 (c1) VALUES('x'); INSERT INTO t4 (c1) VALUES('9'); SELECT COUNT(c1) AS total_rows FROM t4; SELECT COUNT(c1) AS null_rows FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS not_null_rows FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t4; CREATE TABLE t4(c1 INTEGER UNSIGNED NOT NULL); --error 1048 INSERT INTO t4 (c1) VALUES(NULL); INSERT INTO t4 (c1) VALUES(0); --error 1264 INSERT INTO t4 (c1) VALUES(-1); --error 1366 INSERT INTO t4 (c1) VALUES('x'); INSERT INTO t4 (c1) VALUES('9'); SELECT COUNT(c1) AS total_rows FROM t4; SELECT COUNT(c1) AS null_rows FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS not_null_rows FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t4; CREATE TABLE t4(c1 BIGINT UNSIGNED NOT NULL); --error 1048 INSERT INTO t4 (c1) VALUES(NULL); INSERT INTO t4 (c1) VALUES(0); --error 1264 INSERT INTO t4 (c1) VALUES(-1); --error 1366 INSERT INTO t4 (c1) VALUES('x'); INSERT INTO t4 (c1) VALUES('9'); SELECT COUNT(c1) AS total_rows FROM t4; SELECT COUNT(c1) AS null_rows FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS not_null_rows FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t4;