如何知道哪些临时表当前在 SQL Server 范围内?
我经常收到错误:
Msg 208, Level 16, State 0, Line 1
Invalid object name '#foo'.
Msg 3701, Level 11, State 5, Line 1
Cannot drop the table '#foo', because it does not exist in the system catalog.
我如何知道范围内有哪些临时表? 它们显然不会像基表那样出现在 SSMS 中。
I often get the errors:
Msg 208, Level 16, State 0, Line 1
Invalid object name '#foo'.
Msg 3701, Level 11, State 5, Line 1
Cannot drop the table '#foo', because it does not exist in the system catalog.
How do I know what temporary tables there are in scope? They obviosly don't show up in SSMS like base tables do.
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在尝试对表执行查询之前,您可以检查该表是否存在。
You can check to see if the table exists before trying to perform a query on it.
扩展 Brandon 的答案...
在 SSMS 查询窗口 1 中:
在窗口 2 中:
##bar
在两个会话中都可见,正如预期的那样。#foo
仅在本地会话中。Expanding Brandon's answer...
In SSMS query window 1:
In window 2:
##bar
is visible in both sessions, as expected.#foo
in the local session only.