USE Northwind
GO
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Create PROCEDURE sp_EmployeeID
@list nvarchar(4000),@LastName nvarchar(20)
AS
declare @sql nvarchar(4000)
set @sql='UPDATE Employees SET LastName='''+@LastName+''' WHERE EmployeeID in ('+@list+')'
print @sql
exec(@sql)
GO
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EXEC sp_EmployeeID '1,3,4,6','newname'
将employeeid为1，3，4，6 的LastName更新为newname