使用SQL语句逐条更新每条记录

declare @i int

declare @j int

declare @phone varchar(20)

set @j=1 select @i=count(*) from LatestLocation

DECLARE L_cursor CURSOR FOR SELECT Phone FROM LatestLocation

OPEN L_cursor

while @j<=@i

begin

FETCH NEXT FROM L_cursor into @phone update LatestLocation set LocationY = 32.009795 - 0.014887*RAND() * 0.7 where Phone=@phone

set @j=@j+1

end

CLOSE L_cursor

DEALLOCATE L_cursor

使用SQL语句逐条更新每条记录,布布扣,bubuko.com

使用SQL语句逐条更新每条记录

原文：http://www.cnblogs.com/chenjiahong/p/3905853.html