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Oracle的联合主键和复合主键创建
2022-04-22 02:55:00 【CSDN问答】
在数据库中,啥是联合主键和复合主键？它们之间有什么区别？那如何创建联合主键和复合主键
采纳答案：
复合主键：数据库表的主键由两个及以上的字段组成.
联合主键：多个主键联合形成一个主键的组合,当两个数据表是多对多的关系，需要通过两个数据表的主键来组成联合主键，来确定一条记录.
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https://ask.csdn.net/questions/7691891
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