遍历服务器上的数据库,并更新数据
问题描述:
我有一台具有多个数据库的服务器.我需要遍历这些数据库,并在每个数据库的一个记录,一个表中更改一个值.该怎么办?
I have a server with multiple databases. I need to loop through these databases and change a value in one record, in one table, in each database. How can this be done?
答
您可以使用动态SQL:
You could use dynamic SQL:
declare @query varchar(max)
set @query = ''
select @query = @query + 'UPDATE ' + name +
'.dbo.YourTable set value = 1 where id = 2; '
from master.sys.databases
where name <> 'master'
exec (@query)