批量删除默认用户

alter trigger SYS.XDB_PI_TRIG disable;
drop user SCOTT cascade;
drop user XS$NULL cascade;
drop user BI cascade;
drop user PM cascade;
drop user MDDATA cascade;
drop user IX cascade;
drop user SH cascade;
drop user OE cascade;
drop user APEX_PUBLIC_USER cascade;
drop user HR cascade;
drop user SPATIAL_CSW_ADMIN_USR cascade;
drop user SPATIAL_WFS_ADMIN_USR cascade;
drop user FLOWS_FILES cascade;
drop user MDSYS cascade;
drop user ORDSYS cascade;
drop user EXFSYS cascade;
drop user WMSYS cascade;
drop user APEX_030200 cascade;
drop user OWBSYS_AUDIT cascade;
drop user ORDDATA cascade;
drop user CTXSYS cascade;
drop user ANONYMOUS cascade;
drop user SYSMAN cascade;
drop user XDB cascade;
drop user ORDPLUGINS cascade;
drop user OWBSYS cascade;
drop user SI_INFORMTN_SCHEMA cascade;
drop user OLAPSYS cascade;