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centralized database中文是什么意思

  • 集中式數(shù)據(jù)庫(kù)

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  • 例句與用法
  • A program that will keep a centralized database of howto ' s for a help desk
    該軟件維護(hù)一個(gè)集中式的幫助信息數(shù)據(jù)庫(kù)。
  • Because centralized database has many innate disadvantages when applied to internet , the application of distributed database gets more and more popular
    計(jì)算機(jī)網(wǎng)絡(luò)的發(fā)展和信息的共享，使得分布式數(shù)據(jù)庫(kù)的發(fā)展成為必然和熱點(diǎn)。
  • It is a very active research area in distributed database systems . there is difference between centralized database and distributed database , which distributed database needs data transportation
    由于集中式數(shù)據(jù)庫(kù)和分布式數(shù)據(jù)庫(kù)的區(qū)別在于，分布式數(shù)據(jù)庫(kù)需要站點(diǎn)間的數(shù)據(jù)傳輸。
  • A signal switch may also send a query message to the signal control point , which acts as a centralized database for routing instructions , such as how to handle 800 / 888 calls
    信號(hào)交換機(jī)也可以向信號(hào)控制點(diǎn)發(fā)送一個(gè)查詢信息，該信號(hào)控制點(diǎn)起到路由指令（如怎樣處理800 / 888對(duì)方付費(fèi)電話）的集中化的數(shù)據(jù)庫(kù)的作用。
  • Classification based on distributed ecl is proposed in the dissertation , the improvements in time and complexity are expected . the promising approach can be used for centralized databases as well as distributed databases
    這種方法不僅適用于大規(guī)模的集中式數(shù)據(jù)庫(kù)，同時(shí)也能用于處理異構(gòu)、分布式的數(shù)據(jù)庫(kù)，具有很好的研究前景。
  • The better way to avoid maintenance problems is to cache the wsdl in the centralized database and then periodically check the timestamp version number of the wsdl to see if a newer one is available
    為避免維護(hù)上的麻煩，更好的一個(gè)辦法就是把wsdl高速緩存在一個(gè)集中式數(shù)據(jù)庫(kù)里，然后定期檢查它的時(shí)間戳記/版本號(hào)，看看是否有一個(gè)更新的wsdl可用。
  • Data is typically carried to their datacenters on public telecoms networks and navigates a number of central processing systems ( built on complex routed and switched networks ) before being stored in centralized databases ( see figure 3 )
    在存儲(chǔ)到中心數(shù)據(jù)庫(kù)之前，數(shù)據(jù)首先通過(guò)公共通信網(wǎng)絡(luò)導(dǎo)向幾個(gè)中心處理系統(tǒng)（建立在復(fù)雜的路由和交換網(wǎng)絡(luò)之上） 。
  • In addition , distributed database system contains more complex contents than centralized database system . this essay aims to research on the principle , design and realization technology of oracle distributed database system
    另外，在查詢處理、事務(wù)管理、數(shù)據(jù)的完整性與安全性等方面，分布式數(shù)據(jù)庫(kù)系統(tǒng)比集中式數(shù)據(jù)庫(kù)系統(tǒng)具有更復(fù)雜、更豐富的內(nèi)容。
  • In a domain , passwords and permissions are simpler to keep track of , since a domain has a single , centralized database of user accounts , permissions , and other network details . the information in this database is replicated automatically among domain controllers
    而在域內(nèi)，密碼和權(quán)限就很容易跟蹤，因?yàn)橛蚶镉幸粋€(gè)包含用戶帳戶、權(quán)限和其他網(wǎng)絡(luò)細(xì)節(jié)信息的中心數(shù)據(jù)庫(kù)，此數(shù)據(jù)庫(kù)的信息可在域控制器之間自動(dòng)復(fù)制。
  • As the application of distributed computing is used much more widely ， distributed database becomes a significant part of information management it avoids a lot of disadvantages of conventional centralized database ， and is applicable to many situations distributed database is a set of data which is the unity logic ， but in fact these data is located on different sites it is of high availability ， easy expansibility ， high concurrency ， high efficiency and etc in distributed system ， data redundancy is a method to improve the speed of query and the availability of system distributed query should shield the lower level details of data redundancy from end users ， distributed transaction should ensure data from disaccord this paper introduces basic conceptions of distributed database firstly ， discusses distributed transaction and concurrent control ， describes the development prototype mysql ’ s characters ， architecture and executive mechanism ， then shows the skeleton model of dpsql and exposes the strategy and algorithm of distributed query and distributed transaction ， at last analyzes the extra expenses and response delay of distributed processes this paper exposes the implementation mechanism of distributed query and distributed transaction emphatically distributed query uses the strategy of “ read one ， write a11 ” s0 in such a system if user ’ s requests are read - - only for the most part and the distribution of data redundancy is plausible ， efficiency is very high distributed transaction uses two - 。 phase commit protocol to ensure the consistency of global data ， which has less communication overhead
    分布式查詢需要向用戶屏蔽數(shù)據(jù)冗余分散的底層細(xì)節(jié)，分布式事務(wù)處理要保證全局?jǐn)?shù)據(jù)完整，這都是傳統(tǒng)集中式數(shù)據(jù)庫(kù)不曾面臨的問(wèn)題。本文首先介紹了分布式數(shù)據(jù)庫(kù)的概念性問(wèn)題；接著討論了分布式事務(wù)涉及的定義及算法；然后描述了dpsql的原型mysql的特性、結(jié)構(gòu)和執(zhí)行機(jī)制；繼而給出了dpsql的梗概模型，闡述了實(shí)現(xiàn)分布式查詢和分布式事務(wù)處理的策略及算法；最后分析了進(jìn)行分布式處理給系統(tǒng)增加的額外開(kāi)銷和客戶端的額外響應(yīng)延遲。本文重點(diǎn)描述了分布式查詢和分布式事務(wù)處理的實(shí)現(xiàn)機(jī)制，分布式查詢采用”讀一個(gè)寫全部”的本地優(yōu)先策略，在讀操作頻繁的系統(tǒng)中，只要庫(kù)的分布合理，單機(jī)效率極高，幾乎無(wú)任何附加開(kāi)銷和延遲，而以整個(gè)系統(tǒng)的角度看來(lái)，吞吐量就更是優(yōu)于單機(jī)系統(tǒng)；分布式事務(wù)處理采用兩階段提交協(xié)議，通信次數(shù)較少并能確實(shí)保證副本一致。
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  • 百科解釋
A Centralized database is a database located and maintained in one location, unlike a distributed database. One main advantage is that all data is located in one place.
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