基本解釋[計(jì)算機(jī)科學(xué)技術(shù)]BCNF正規(guī)形式 (boyce codd normal form)英漢例句雙語(yǔ)例句Finally, we presented Boyce-Codd normal form (BCNF) and discussed how it is a stronger form of 3NF.最后,我們提出了博伊斯- 科德范式(BCNF),并討論如何,它是一個(gè)更強(qiáng)的3NF形式。08translation.cnThe 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(shù)依賴(lài)投影求解以及基于BCNF的關(guān)系分解中的應(yīng)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(jù)左部等價(jià)形成劃分,劃分的各子集根據(jù)左部的依賴(lài)關(guān)系形成一個(gè)有向圖,有向圖中每一個(gè)節(jié)點(diǎn)的FD可能是一個(gè)符合BCNF的子模式的FD,其關(guān)鍵字就是各子集的等價(jià)左部。bcnf更多例句詞組短語(yǔ)短語(yǔ)total order temporal BCNF 全序時(shí)態(tài)BC范式BCNF 正規(guī)形式 boyce codd normal formpartial -order temporal BCNF 偏序時(shí)態(tài)BC范式bcnf更多詞組專(zhuān)業(yè)釋義計(jì)算機(jī)科學(xué)技術(shù)BCNF正規(guī)形式 (boyce codd normal form)