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摘要: create table A( id number primary key, act varchar2(100) ); create table B( id number, actn_numb integer, primary key(id,actn_numb) ); insert into A(id,act) val... 阅读全文
posted @ 2019-02-22 14:28 ZZZZW 阅读(1744) 评论(0) 推荐(0) 编辑
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