oracle数据库
这样可以吗? 具体怎样写? 指教
ClientDataSet.close;
ClientDataSet.commandtext:='delete from jh_dhjlb where '+#13
+' delete from jh_dhjlbmx where
ClientDataSet.Execute;
这样可以吗? 具体怎样写? 指教
ClientDataSet.close;
ClientDataSet.commandtext:='delete from jh_dhjlb where '+#13
+' delete from jh_dhjlbmx where
ClientDataSet.Execute;
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3.C/S与B/S是什么东东你还不清楚
4.事务处理代码是什么东东,在那里能写你还不清楚不是我不给你讲呀,是给你讲这么,我就能写完一本书了 hehe^^ 不好意思呀你问的问题太大了,叫我没有办法回答...
create or replace trigger deletejh_dhjlb after
delete on jh_dhjlb
for each row
begin
delete from jh_dhjlbmx where jhdh=:old.jhdh;
end;