with子句生成临时表
WITH temp_table(id, num, name) AS (
VALUES
(1, 'zs', '合肥'),
(1, 'ls', '南京'),
(1, 'ww', '杭州'),
(1, 'zl', '重庆'),
(1, 'sq', '郑州'),
(2, 'wb', '六安'),
(2, 'lq', '青岛'),
(3, 'dd', '三亚'),
(3, 'si', '常州'),
(3, 'sh', '武汉')
)
SELECT *
FROM temp_table;