跨用户查约束
select a.owner, a.constraint_name, a.constraint_type, a.table_name, b.column_name, a.search_condition from dba_constraints a, dba_cons_columns b WHERE a.TABLE_name='FND_OAM_CONTEXT_FILES' and a.constraint_name=b.constraint_name[@more@]
查看所有已安装的Patch
select * from applsys.ad_applied_patches[@more@]