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我已经多DBS具有相同的结构,我想对他们的循环来检查这个选择statment循环在SQL Server的所有数据库查询
select scan1,scan2,scan3 from customers where ..............
输出将是数据库名称,如果这个选择有记录 像:
db1
db2
db3
等等...
我已经多DBS具有相同的结构,我想对他们的循环来检查这个选择statment循环在SQL Server的所有数据库查询
select scan1,scan2,scan3 from customers where ..............
输出将是数据库名称,如果这个选择有记录 像:
db1
db2
db3
等等...
感谢所有试图帮助我,但我找到了查询,并在这里它是,如果它可以帮助任何一个。
exec sp_MSforeachdb
'
if "?" like "Client%" and isnumeric(substring("?",7,4)) = 1
BEGIN
DECLARE @QueryString NVARCHAR(500)
SET @QueryString = "Select Scan1,Scan2,scan3 from ?.dbo.Customers where Scan1 <> '''' or Scan2 <> '''' or Scan3 <> ''''"
EXEC sp_executesql @QueryString
IF @@RowCount > 0
print "?"
END
'
感谢
怎么是这样的:
WITH CTE AS
(
Select 'DB1' as DatabaseName From DB1.MyTable Where ...
UNION
Select 'DB2' as DatabaseName From DB2.MyTable Where ...
UNION
Select 'DB3' as DatabaseName From DB3.MyTable Where ...
<Add as many more as you need>
)
Select DatabaseName From CTE Where DatabaseName IS NOT NULL
是可鉴定与和其它[隐藏功能](http://stackoverflow.com/questions/121243/hidden-features-of-sql-server) – 2010-10-27 10:57:53