摘要:
1.检查哪些表的外键引用了要删除的表的唯一/主键. select A.* from user_constraints A, user_constraints B WHERE b.table_name = 'MYTEST' and a.constraint_type = 'R' and a.r_constraint_name = b.constraint_name;2.生成所有引用要删除表的外键的创建语句. select 'select dbms_metadata.get_ddl(''REF_CONSTRAINT'', 阅读全文