联合主键,也叫组合主键(composite primary key):主键由几个字段组成。表示所代表
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短语
复合主键
Composite Primary Key
;
composite-id
;
Composite Key
;
composite PK
联合主键
composite-id
;
composite keys
避免用复合主键
compound primary key
联合主键类
composite key class
组合主键索引
Composite Key Index