関連ワード:  what is the purpose of primary key in a relational database    what is the purpose of primary key in a relational database model    what is the primary purpose of a primary key in a relational database table    what is the main purpose of a primary key in a relational database    what is a primary key in a relational database    what is the purpose of a primary key    what is the purpose of a primary key in a database table    what is the role of primary key  
結果 : what is the purpose of primary key in a relational database