在 SQL Server 中,这会将 100 条记录从 Customers 表插入到 tmpFerdeen 中:-
SELECT top(100)*
INTO tmpFerdeen
FROM Customers
是否可以在 UNION ALL SELECT 中执行 SELECT INTO :-
SELECT top(100)*
FROM Customers
UNION All
SELECT top(100)*
FROM CustomerEurope
UNION All
SELECT top(100)*
FROM CustomerAsia
UNION All
SELECT top(100)*
FROM CustomerAmericas
不太确定在哪里添加 INTO 子句。
最佳答案
这适用于 SQL Server:
SELECT * INTO tmpFerdeen FROM (
SELECT top 100 *
FROM Customers
UNION All
SELECT top 100 *
FROM CustomerEurope
UNION All
SELECT top 100 *
FROM CustomerAsia
UNION All
SELECT top 100 *
FROM CustomerAmericas
) as tmp
关于sql - 是否可以将 SELECT INTO 子句与 UNION [ALL] 一起使用?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/591382/