人大金倉數據庫添加外鍵，刪除外鍵

// 添加外鍵
ALTER TABLE "sec_permissions" ADD CONSTRAINT fke086556228cd079 FOREIGN KEY(perm_parent_id) REFERENCES "sec_permissions" 
ON DELETE NO ACTION 
ON UPDATE NO ACTION 
ENABLE VALIDATE;

// 刪除外鍵
ALTER TABLE "sec_permissions" DROP CONSTRAINT "fke086556228cd079";