DECLARE @COUNT INT
DECLARE @NAME NVARCHAR(10)
SET @COUNT=0
WHILE @COUNT<=1000
BEGIN
SET @NAME='SYSTEM'+CAST(@COUNT AS NVARCHAR(10))
INSERT INTO dbo.users VALUES (NEWID(),@NAME,'123123'+@COUNT,DATEADD(DAY,@COUNT,'2012-12-12'),GETDATE()) SET @COUNT = @COUNT +1 END