oracle常用语句
发布时间:2020-12-12 16:41:32 所属栏目:百科 来源:网络整理
导读:####检查依赖 Select b.table_name 主键表名,b.column_name 主键列名,a.table_name 外键表名,a.column_name 外键列名 From (Select a.constraint_name,b.table_name,b.column_name,a.r_constraint_name From user_constraints a,user_cons_columns b Where a
####检查依赖 Select b.table_name 主键表名,b.column_name 主键列名,a.table_name 外键表名,a.column_name 外键列名 From (Select a.constraint_name,b.table_name,b.column_name,a.r_constraint_name From user_constraints a,user_cons_columns b Where a.constraint_type = 'R' And a.constraint_name = b.constraint_name) a,(Select Distinct a.r_constraint_name,b.column_name From user_constraints a,user_cons_columns b Where a.constraint_type = 'R' And a.r_constraint_name = b.constraint_name) b Where a.r_constraint_name = b.r_constraint_name ####检查被锁定的表 select object_name,machine,s.sid,s.serial# from v$locked_object l,dba_objects o,v$session s where l.object_id = o.object_id and l.session_id = s.sid; (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |