primary key

US 
UK 
  • un.主关键字;主码
  • Web主键;主键约束;主索引键
un.
1.
主关键字
2.
主码

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard