英译中Data integrity refers to the accuracy,correctness,or vali

英译中
Data integrity refers to the accuracy,correctness,or validity of the data in the database.In a database system,data integrity means safeguarding the data against invalid alteration or destruction.In large on-line database system,data integrity becomes a more severe problem and two additional complications arise.The first has to do with many users accessing the database concurrently.The second complication relates to hardware,software,or human error during the course of processing and involves database transaction to keep the database in a consistent state of integrity.A database transaction is a group of database modification treated as a single unit.

数据完整性在数据库中提到数据的准确性、正确性或者有效性. 在数据库系统,数据完整性意味预防数据无效改变或破坏. 在大网上数据库系统,数据完整性成为一个更加严厉的问题,并且二另外的复杂化出现. 第一和同时访问数据库的许多用户有关. 第二复杂化与硬件、软件或者人的错误在正直一个一致的状态关连在处理期间并且介入数据库执行保留数据库. 数据库执行是数据库修改对待一个单一单元一个小组.