All referential cascade actions and constraint checks also must succeed before this trigger fires 所有的引用级联操作和约束检查也必须在激发此触发器之前成功完成。
All referential cascade actions and constraint checks also must have been successful before this trigger fires 所有的引用级联操作和约束检查都成功完成后,才能激发此触发器。
Any cascading actions defined on a related primary key will not be performed on rows that contain foreign keys that are disabled 将不对包含已禁用外键的行执行对相关主键定义的任何级联操作。
Similarly , the update option is not allowed on tables that have a referential relationship specifying a cascade action on update 同样,也不允许对具有指定级联操作on update的引用关系的表使用update选项。
This successful execution includes all referential cascade actions and constraint checks associated with the object updated or deleted 判断执行成功的标准是:执行了所有与已更新对象或已删除对象相关联的引用级联操作和约束检查。
For instead of triggers , the delete option is not allowed on tables that have a referential relationship specifying a cascade action on delete 对于instead of触发器,不允许对具有指定级联操作on delete的引用关系的表使用delete选项。