second normal form

短语

[计] 第二范式

词形变化

second normal forms 复数 second normal forms

别名

2NF

释义与例句

n.
  1. 1.

    A stage in the normalization of a relational database in which it is in first normal form and every non-key attribute is dependent upon the entire primary key.

    计算机 工程 数学