declare @i int
set @i=0
declare @j int
set @j=0
while @i<50
begin
while @j<50
begin
    SELECT count([v])
    FROM [FCDBackup20100901].[dbo].[Table1] where glo>=(118.71+@i*0.00254) and glo<=(118.71+(@i+1)*0.00254)
    and gla>=(31.973+@j*00.00406) and gla<=(31.973+(@j+1)*00.00406);
set @j=@j+1
end
set @i=@i+1
end

已经解决，需要将全局变量改成局部变量