[英]Update a column using subquery or join
我需要使用select查詢中的resul更新table1的'DA_ArticleDetails'列。 我嘗試過這樣的事情:
UPDATE table1
SET [DA_ArticleDetails] =
(
select RIGHT([DA_ArticleDetails], 8000)
from table1
)
但它給錯誤:
Msg 512, Level 16, State 1, Line 1
Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.
The statement has been terminated.
有人可以幫我更新列嗎?
UPDATE table1
SET [DA_ArticleDetails] = RIGHT([DA_ArticleDetails], 8000)
from table1
您可以簡單地調用以下查詢
UPDATE table1
SET [DA_ArticleDetails] =RIGHT([DA_ArticleDetails], 8000)
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