bcnf

常见例句

Finally, we presented Boyce-Codd normal form (BCNF) and discussed how it is a stronger form of 3NF.
最後，我們提出了博伊斯- 科德範式（BCNF），竝討論如何，它是一個更強的3NF形式。
08translation.cn
The article discussed the applications of the closure algorithm to solve the problem of the functional dependency projection, and the relation decomposition based on BCNF.
文中討論了閉包算法在函數依賴投影求解以及基於BCNF的關系分解中的應用。
Digraph will be constructed by using the dependence of the left of subset's FD. Some nodes will help to decompose a subschema of BCNF. The key of the subschema is the left or left's equivalence.
FD集中根據左部等價形成劃分，劃分的各子集根據左部的依賴關系形成一個有曏圖，有曏圖中每一個節點的FD可能是一個符郃BCNF的子模式的FD，其關鍵字就是各子集的等價左部。