In this paper, adopt the meta-method library to resolve the method defining of object in OODB(subscript s) for the first time, in which there is abundant meta-method that can meet with demand of construction of complicated object method.

• 首次采用方法元库的设计思想来解决面向对象数据库中各对象方法的定义问题，方法元库中具有丰富的方法元，能够满足各对象复杂方法的构造需要。