这个查询不起作用:
WITH a AS
(SELECT 1 AS c1)
SELECT
*
FROM
a
UNION ALL
WITH b AS
(SELECT 1 AS c1)
SELECT
*
FROM
b
你能帮忙吗?
真正的查询使用表,但在示例中不是必需的。
非常感谢
最佳答案
;WITH a AS
(SELECT 1 AS c1),
b AS
(SELECT 1 AS c1)
SELECT
*
FROM
a
UNION ALL
SELECT
*
FROM
b
https://stackoverflow.com/questions/12677273/