Triggers are often created to enforce referential integrity or consistency among logically related data in different tables.
触发程序通常是用来强制执行参考完整性或不同资料表间逻辑上相关之资料的一致性。
This approach helps to logically separate the data structure into the pieces that are logically related.
这个方法有助于在逻辑上将数据结构分离到逻辑上相关的部分。
应用推荐