英语词汇“system r”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	system r
释义	System R System R (database)A database system built as a research project atIBM San Jose Research (now IBM Almaden Research Center) inthe 1970s. System R introduced the SQL language and alsodemonstrated that a relational system database could providegood transaction processing performance. http://mcjones.org/System_R/.
随便看	shared control unit shared control with feedback shared corporate allowance package shared dasd shared data description language shared data environment shared data object shared data pool shared decision shared decision making shared decision-making shared decision making committee shared-decision program shared disk shared disk access shared disk array shared drive shared early warning shared early warning system shared energy savings shared epitope shared equity mortgage shared e-resource understanding shared ethernet shared extended memory segment

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System R