plsql调用者权限与定义者权限
一个简单的例子:SQL> conn / as sysdba已连接。SQL> create user naruto identified by naruto;用户已创建。SQL> grant dba to naruto;授权成功。SQL> conn naruto/naruto已连接。SQL> create or replace p...
utl_file.fremove
utl_file包中的fremove过程可以删除某个目录下的文件[oracle@centos tmp]$ touch haha[oracle@centos tmp]$ ll haha -rw-r--r-- 1 oracle oinstall 0 Aug 14 20:12 hahaSQL> exec utl_file.fremove('/tmp','haha');...
PL/SQL包可以打破依赖链
做一下实验:创建过程p1、p2create or replace procedure p1isbegin null;end;/create or replace procedure p2isbegin p1;end;/select object_name, status from user_objects where...