DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1 (c1 INT, c2 CHAR(100));
INSERT INTO t1 VALUES (null,null);
INSERT INTO t1 VALUES (1,'');
INSERT INTO t1 VALUES (2,'abcde');
INSERT INTO t1 VALUES (100,'abcdefghij');
CREATE TABLE t2 (c1 INT, c2 VARCHAR(100));
INSERT INTO t2 VALUES (1,'abcde');
INSERT INTO t2 VALUES (2,'abcde');
SELECT c1 FROM t1 WHERE EXISTS (SELECT 1);
c1
NULL
1
2
100
SELECT c1 FROM t1 WHERE NOT EXISTS (SELECT 1);
c1
SELECT c1 FROM t1 WHERE EXISTS (SELECT * FROM t2 WHERE t1.c2 = t2.c2);
c1
2
SELECT c1 FROM t1 WHERE NOT EXISTS (SELECT * FROM t2 WHERE t1.c2 =
t2.c2);
c1
NULL
1
100
DROP TABLE t1;
DROP TABLE t2;
CREATE TABLE t1 (c1 INT, c2 VARCHAR(100));
INSERT INTO t1 VALUES (null,null);
INSERT INTO t1 VALUES (1,'');
INSERT INTO t1 VALUES (2,'abcde');
INSERT INTO t1 VALUES (100,'abcdefghij');
CREATE TABLE t2 (c1 INT, c2 VARCHAR(100));
INSERT INTO t2 VALUES (1,'abcde');
INSERT INTO t2 VALUES (2,'abcde');
SELECT c1 FROM t1 WHERE EXISTS (SELECT 1);
c1
NULL
1
2
100
SELECT c1 FROM t1 WHERE NOT EXISTS (SELECT 1);
c1
SELECT c1 FROM t1 WHERE EXISTS (SELECT * FROM t2 WHERE t1.c2 = t2.c2);
c1
2
SELECT c1 FROM t1 WHERE NOT EXISTS (SELECT * FROM t2 WHERE t1.c2 =
t2.c2);
c1
NULL
1
100
DROP TABLE t1;
DROP TABLE t2;
CREATE TABLE t1 (c1 INT, c2 BINARY(100));
INSERT INTO t1 VALUES (null,null);
INSERT INTO t1 VALUES (1,'');
INSERT INTO t1 VALUES (2,'abcde');
INSERT INTO t1 VALUES (100,'abcdefghij');
CREATE TABLE t2 (c1 INT, c2 VARCHAR(100));
INSERT INTO t2 VALUES (1,'abcde');
INSERT INTO t2 VALUES (2,'abcde');
SELECT c1 FROM t1 WHERE EXISTS (SELECT 1);
c1
NULL
1
2
100
SELECT c1 FROM t1 WHERE NOT EXISTS (SELECT 1);
c1
SELECT c1 FROM t1 WHERE EXISTS (SELECT * FROM t2 WHERE t1.c2 = t2.c2);
c1
SELECT c1 FROM t1 WHERE NOT EXISTS (SELECT * FROM t2 WHERE t1.c2 =
t2.c2);
c1
NULL
1
2
100
DROP TABLE t1;
DROP TABLE t2;
CREATE TABLE t1 (c1 INT, c2 VARBINARY(100));
INSERT INTO t1 VALUES (null,null);
INSERT INTO t1 VALUES (1,'');
INSERT INTO t1 VALUES (2,'abcde');
INSERT INTO t1 VALUES (100,'abcdefghij');
CREATE TABLE t2 (c1 INT, c2 VARCHAR(100));
INSERT INTO t2 VALUES (1,'abcde');
INSERT INTO t2 VALUES (2,'abcde');
SELECT c1 FROM t1 WHERE EXISTS (SELECT 1);
c1
NULL
1
2
100
SELECT c1 FROM t1 WHERE NOT EXISTS (SELECT 1);
c1
SELECT c1 FROM t1 WHERE EXISTS (SELECT * FROM t2 WHERE t1.c2 = t2.c2);
c1
2
SELECT c1 FROM t1 WHERE NOT EXISTS (SELECT * FROM t2 WHERE t1.c2 =
t2.c2);
c1
NULL
1
100
DROP TABLE t1;
DROP TABLE t2;
