select_having.sql
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:1k
- --
- -- select_having.sql
- --
- -- load test data
- CREATE TABLE test_having (a int, b int, c char(8), d char);
- INSERT INTO test_having VALUES (0, 1, 'XXXX', 'A');
- INSERT INTO test_having VALUES (1, 2, 'AAAA', 'b');
- INSERT INTO test_having VALUES (2, 2, 'AAAA', 'c');
- INSERT INTO test_having VALUES (3, 3, 'BBBB', 'D');
- INSERT INTO test_having VALUES (4, 3, 'BBBB', 'e');
- INSERT INTO test_having VALUES (5, 3, 'bbbb', 'F');
- INSERT INTO test_having VALUES (6, 4, 'cccc', 'g');
- INSERT INTO test_having VALUES (7, 4, 'cccc', 'h');
- INSERT INTO test_having VALUES (8, 4, 'CCCC', 'I');
- INSERT INTO test_having VALUES (9, 4, 'CCCC', 'j');
- SELECT b, c FROM test_having
- GROUP BY b, c HAVING count(*) = 1;
- SELECT lower(c), count(c) FROM test_having
- GROUP BY lower(c) HAVING count(*) > 2 OR min(a) = max(a);
- SELECT c, max(a) FROM test_having
- GROUP BY c HAVING count(*) > 2 OR min(a) = max(a);
- DROP TABLE test_having;