81.内连接INNER JOIN?
Select a.* from bsempms a,bsdptms b where a.dpt_no=b.dpt_no;
82.如何外连接?
Select a.* from bsempms a,bsdptms b where a.dpt_no=b.dpt_no(+);
Select a.* from bsempms a,bsdptms b wherea.dpt_no(+)=b.dpt_no;
83.如何执行脚本SQL文件?
SQL>@$PATH/filename.sql;
84.如何快速清空一个大表?
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