single table inheritance中文什么意思

单表继承

• single:    adj. 1.仅只一个的，单独的；单 ...
• table:    n. 1.桌子；饭桌，餐台。 2.手 ...
• inheritance:    n. 1.继承，承受。 2.遗传；遗 ...

百科释义

Single table inheritance is a way to emulate object-oriented inheritance in a relational database. When mapping from a database table to an object in an object-oriented language, a field in the database identifies what class in the hierarchy the object belongs to.