second normal form 第二范式，第二正规形式
数据库 数据库理论 释文 second normal form, 2NF 第二范式
- alpha-aminobutyric acid
- alpha amylase
- alpha-amylase
- alpha-amylose
- alpha amyrane
- alpha-amyrane
- alpha bearing waste
- alphabet
- alpha-beta conjecture
- alpha (beta) glove box
- Alpha-Beta Pruning
- alpha ( beta )手套箱
- alphabetic
- alphabetical
- alphabetical keyboard layout
- alphabetically
- alphabetic code
- alphabetic coding
- alphabetic notation of numbers
- alphabetic order
- alphabet laser
- alphabet of states
- alphabet of variables
- alpha bromonaphthalene
- alpha-bromonaphthalene