rain 外鍵約束 啟用 tab alter sel ons sql int

1、查看禁用外鍵sql

select ‘alter table ‘||table_name||‘ disable constraint ‘||constraint_name||‘;‘ from user_constraints where constraint_type=‘R‘;

2、查看啟用外鍵sql

select ‘alter table ‘||table_name||‘ enable constraint ‘||constraint_name||‘;‘ from user_constraints where constraint_type=‘R‘;

3、查看刪除外鍵sql

select ‘alter table ‘||table_name||‘ drop constraint ‘||constraint_name||‘;‘ from user_constraints where constraint_type=‘R‘;

oracle查看禁用/啟用/刪除外鍵約束sql