外文翻譯----數(shù)據(jù)庫(kù)和數(shù)據(jù)庫(kù)系統(tǒng)

1、<p><b>　　外文資料</b></p><p>　　Database and Database System</p><p>　　What is a Database? The usual argument, the term refers to the database, database management system managed data

2、 set; database management system, also known as DBMS, I called a database system. Database management system DBMS can do the following: </p><p>　　1. Allows the user to use a special language called the data

3、definition language to create a new database and specify the details of the program (the logical data structure). </p><p>　　2. Enables users to use the appropriate language, often called data manipulation la

4、nguage or query language to query data (query asks the database for data term) and modify the data. </p><p>　　3. In a long period of time, support very large amounts of data storage (Kyrgyzstan orders of mag

5、nitude or more) to maintain data security, free from accidents and unauthorized use; on the query and data modification, allowing efficient data storage. </p><p>　　4. For many users for rapid data access con

6、trol does not allow a user's use of other users, do not allow accidental destruction of data while data access. </p><p>　　The first commercial database management systems in the late 60s. They come from

7、the file system development, file systems, since the data stored for a long time, but also allows large amounts of data storage. Transaction Processing Manager is responsible for system components integrated. It must ens

8、ure that some of the same time not interfere with each other to run the query, and even system failure would not lose data. Its interaction with the query manager to work because of their need to kno</p><p>

9、<b>　　外文翻譯：</b></p><p><b>　　數(shù)據(jù)庫(kù)和數(shù)據(jù)庫(kù)系統(tǒng)</b></p><p>　　什么是數(shù)據(jù)庫(kù)？用通常的說(shuō)法，數(shù)據(jù)庫(kù)這一術(shù)語(yǔ)指的是數(shù)據(jù)庫(kù)管理系統(tǒng)管理的數(shù)據(jù)集合;數(shù)據(jù)庫(kù)管理系統(tǒng)也叫DBMS，我就稱(chēng)作數(shù)據(jù)庫(kù)系統(tǒng).數(shù)據(jù)庫(kù)管理系統(tǒng) DBMS 可以完成下列工作： </p><p>　　1.允許用戶(hù)使用稱(chēng)作數(shù)

10、據(jù)定義語(yǔ)言的專(zhuān)用語(yǔ)言來(lái)創(chuàng)建新的數(shù)據(jù)庫(kù)并詳細(xì)指明其方 案（數(shù)據(jù)的邏輯結(jié)構(gòu)） 。 </p><p>　　2.使用戶(hù)能夠使用適當(dāng)?shù)恼Z(yǔ)言,通常稱(chēng)作查詢(xún)語(yǔ)言或數(shù)據(jù)操作語(yǔ)言,來(lái)查詢(xún)數(shù)據(jù) （查詢(xún)是用于數(shù)據(jù)詢(xún)問(wèn)的數(shù)據(jù)庫(kù)術(shù)語(yǔ)）和修改數(shù)據(jù)。 </p><p>　　3.在一個(gè)長(zhǎng)的時(shí)期里,支持非常大量的數(shù)據(jù)存儲(chǔ)（吉數(shù)量級(jí)或更多）,保持?jǐn)?shù)據(jù)的安全，免于事故和未經(jīng)授權(quán)的使用；對(duì)查詢(xún)和數(shù)據(jù)修改，允許有效的數(shù)據(jù)存儲(chǔ)。&l

11、t;/p><p>　　4.對(duì)許多用戶(hù)進(jìn)行的數(shù)據(jù)存取進(jìn)行迅速控制，不允許一個(gè)用戶(hù)的使用影響其它用戶(hù)，也不允許偶然發(fā)生的同時(shí)數(shù)據(jù)存取破壞數(shù)據(jù)。</p><p>　　第一批商務(wù)數(shù)據(jù)庫(kù)管理系統(tǒng)出現(xiàn)在 60 年代后期。它們是從文件系統(tǒng)發(fā)展來(lái)的，文件系統(tǒng)存儲(chǔ)長(zhǎng)時(shí)間以來(lái)的數(shù)據(jù)，也允許大量數(shù)據(jù)的存儲(chǔ)。事物處理管理器部件負(fù)責(zé)系統(tǒng)的綜合。它必須確保一些同時(shí)運(yùn)行的查詢(xún)不會(huì)彼此干擾,還有即使出現(xiàn)系統(tǒng)故障也不會(huì)丟失數(shù)據(jù)

12、。它與查詢(xún)管理器交互工作，因?yàn)槠浔仨氈滥壳安樵?xún)運(yùn)行的是什么樣的數(shù)據(jù)，而且可能需要延遲一些查詢(xún)或操作以便不會(huì)出現(xiàn)沖突。它與存儲(chǔ)器交互工作,因?yàn)閿?shù)據(jù)的保護(hù)方案通常包括對(duì)數(shù)據(jù)修改記錄的存儲(chǔ)。通過(guò)適當(dāng)?shù)呐判虿僮?，記錄段回包括修改的記?以便當(dāng)系統(tǒng)出現(xiàn)故障后，這些還沒(méi)有影響到磁盤(pán)的修改可以重新執(zhí)行。修改是對(duì)數(shù)據(jù)改變大操作。像查詢(xún)一樣,它們可以通過(guò)一般的接口發(fā)布，也可通過(guò)應(yīng)用程序接口進(jìn)行。規(guī)劃修改是關(guān)于一些指令的，這些指令通常是由授權(quán)的個(gè)人有時(shí)稱(chēng)