📜  dbms 中的无损连接属性是什么意思 - 无论代码示例

📅  最后修改于: 2022-03-11 14:58:38.376000             🧑  作者: Mango

代码示例1
In database design, a lossless join decomposition is a decomposition of 
a relation into relations. such that a natural join of the two smaller 
relations yields back the original relation. This is central in removing
redundancy safely from databases while preserving the original data.