1.执行如下SQL语句判断是否有CTXSYS用户:
select username from all_users where username like '%CTXSYS%';
执行结果:
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2.执行如下SQL语句判断是否有DRIIMP对象:
select object_name,object_type from dba_objects where object_name like '%DRIIMP%';
执行结果: