Sql Server 循环语句插入

有个表tt

描述为：

q (PK,int,not null)
w (nchar(10),not null)
e (int,not null)
r (int,not null)
t (int,not null)
y (int,not null)
u (int,not null)
i (int,not null)
o (int,not null)
p (int,not null)

declare @a int
set @a=1
while @a<10001
    begin
    insert into tt (q,w,e,r,t,y,u,i,o,p) values (@a,'a',1,1,1,1,1,1,1,1)
    set @a=@a+1
    end