Further more , discussing the modes of data distribution and location of the train diagram distributed database 同時,討論了列車運(yùn)行圖分布式數(shù)據(jù)庫的數(shù)據(jù)分片和數(shù)據(jù)分布。
Domain name system ( dns ) is a distributed database system used to map ip addresses to host names 領(lǐng)域名稱系統(tǒng)領(lǐng)域名稱系統(tǒng)是一個經(jīng)分發(fā)的數(shù)據(jù)庫系統(tǒng),用以配合聯(lián)網(wǎng)規(guī)約。
The distributed database means a database witch separated in different places and united in logic 分布式數(shù)據(jù)庫是指物理上分散在不同場所而邏輯上又是一個整體的數(shù)據(jù)庫系統(tǒng)。
To realize distributed database , we mostly use the rmi mechanism and adopt multilayer database model 我們主要利用javarmi處理機(jī)制,采用數(shù)據(jù)庫多層模型,實(shí)現(xiàn)分布式數(shù)據(jù)庫的處理。
Wins provides a distributed database for registering and querying dynamic netbios names to ip address mappings Wins提供了一個用于注冊和查詢netbios名到ip地址的動態(tài)映射的分布式數(shù)據(jù)庫。
The research on distributed database began from the 1970 ' s and some product has been put to use in the 1990 ' s 分布式數(shù)據(jù)庫系統(tǒng)的研究始于20世紀(jì)70年代, 90年代已經(jīng)有部分產(chǎn)品進(jìn)入市場。
So the distribute database system can be widely applied in the quality management of expressway construction 因此,高速公路建設(shè)過程中,這種分布式數(shù)據(jù)庫也越來越多地用來對質(zhì)量進(jìn)行管理。
The distributed query optimization problem is the key point in distributed database systems , and it is an np hard one 既有理論上的問題,也有實(shí)際應(yīng)用中的問題。這些問題在當(dāng)前顯得尤為重要。
15 wang j c , horng j t , hsu y m . a genetic algorithm for set query optimization in distributed database systems 然后提出了一種面向語義數(shù)據(jù)庫網(wǎng)格的,具有動態(tài)并行和啟發(fā)式特點(diǎn)的查詢優(yōu)化算法。
Under the environment of distributed database system , information can be stored in databases which are physically separated 在分布式數(shù)據(jù)庫系統(tǒng)環(huán)境下,信息可能存儲在地理位置分散的數(shù)據(jù)庫中。