翻訳と辞書 Words near each other ・ Precarium ・ Precast concrete ・ Precast concrete lifting anchor system ・ Precaution (novel) ・ Precautionary demand ・ Precautionary principle ・ Precautionary savings ・ Precautionary statement ・ Precautions Against Fanatics ・ PRECEDE-PROCEED model ・ Precedence ・ Precedence (solitaire) ・ Precedence diagram method ・ Precedence effect ・ Precedence Entertainment ・ Precedence graph ・ Precedence parser ・ Precedent ・ Precedent fact errors in Singapore law ・ Precenicco ・ Precentor ・ Precentral gyrus ・ Precentral sulcus ・ Precept ・ Precept Ministries International ・ Precept, Nebraska ・ Preceptor ・ Preceptor Aircraft ・ Preceptor N3 Pup ・ Preceptor Stinger Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Precedence graph ： ウィキペディア英語版 Precedence graph A precedence graph, also named conflict graph and serializability graph, is used in the context of concurrency control in databases. The precedence graph for a schedule S contains: * A node for each committed transaction in S * An arc from Ti to Tj if an action of Ti precedes and conflicts with one of Tj's actions. ==Precedence graph example== :$D\; =\; \backslash begin$ T1 & T2 & T3 \\ R(A) & R(B) & \\ & W(A) & \\ & \\ W(A) & & \\ & & W(B) \\ & & W(A)\\ & \\ \end or :$D\; =\; R1(A)$ $W2(A)$ $Com.2$ $W1(A)$ $Com.1$ $W3(A)$ $Com.3$ A precedence graph of the schedule D, with 3 transactions. As there is a cycle (of length 2; with two edges) through the committed transactions T1 and T2, this schedule (history) is ''not'' Conflict serializable. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Precedence graph」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.