第一范式（1NF） 根据第一范式 ... 这违反了 2NF 的规则，因为规则说“没有非主属性依赖于表的任何候选键的正确子集”。 为了使表符合 2NF，我们可以在两个表中打破它： 现在表符合第二范式（2NF）。 第三范式（3NF） 如果满足以下条件，则表设计为 3NF： 表 ...

To use: In the scripts folder, the convert_schema.bat and convert_schema.sh scripts convert an input file's database schema to an output file in the desired normal ... 2NF_target_1.txt: 1NF schema ...

The most common normal forms are the first, second, and third normal forms (1NF, 2NF, and 3NF), which are based on the concepts of functional dependency and primary key. Functional dependency ...

The most common levels are the first, second, and third normal forms (1NF, 2NF, and 3NF), which are based on the concepts of functional dependency and key attributes. Each level builds on the ...