SQL-while begin end

declare @i int
set @i=1
while @i<=10000000
begin
insert into dbo.Persons (Age,Sex,Grade,Name) values(cast( floor(rand()*100) as int),‘男‘,‘2‘,‘张三‘)
set @i=@i+1

end

运行花费时间01:15:54

原文：http://www.cnblogs.com/xvhk/p/5060261.html