标识型ID主关键字段值的自动增加方法

摘要

This paper concerns several methods used in database table to auto-increase the value of ID,the primary field.Also the relevant implementation is introduced.Furthermore,all the applicability and relative merits of these methods are compared.%介绍了几种数据库表中标识型ID主关键字段值自动增加的方法,对其实现进行了详细说明,并对各方法的适用性和优缺点进行了比较。