sql 取代游标的写法示例

U  python  pdate T 编程客栈 b_Garden1 G Set Swww.cppcns.comteward = (
Select Id From Zy 编程 客栈q.Tb_User U Where Replace(U.Name, '区') = G.Name And Rownum =1)
where exists (select 1 from zyq.tb_user   php  u where Replace(U.Name, '区') = G.Name And rownum = 1) 

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