5 CREATE TABLE test_having (a int, b int, c char(8), d char);
6 INSERT INTO test_having VALUES (0, 1, 'XXXX', 'A');
7 INSERT INTO test_having VALUES (1, 2, 'AAAA', 'b');
8 INSERT INTO test_having VALUES (2, 2, 'AAAA', 'c');
9 INSERT INTO test_having VALUES (3, 3, 'BBBB', 'D');
10 INSERT INTO test_having VALUES (4, 3, 'BBBB', 'e');
11 INSERT INTO test_having VALUES (5, 3, 'bbbb', 'F');
12 INSERT INTO test_having VALUES (6, 4, 'cccc', 'g');
13 INSERT INTO test_having VALUES (7, 4, 'cccc', 'h');
14 INSERT INTO test_having VALUES (8, 4, 'CCCC', 'I');
15 INSERT INTO test_having VALUES (9, 4, 'CCCC', 'j');
16 SELECT b, c FROM test_having
17 GROUP BY b, c HAVING count(*) = 1 ORDER BY b, c;
24 -- HAVING is equivalent to WHERE in this case
25 SELECT b, c FROM test_having
26 GROUP BY b, c HAVING b = 3 ORDER BY b, c;
33 SELECT lower(c), count(c) FROM test_having
34 GROUP BY lower(c) HAVING count(*) > 2 OR min(a) = max(a)
43 SELECT c, max(a) FROM test_having
44 GROUP BY c HAVING count(*) > 2 OR min(a) = max(a)
52 DROP TABLE test_having;