英语词汇“hierarchical database”的读音、翻译、释义、用法及例句-语文网

词汇	hierarchical database
释义	hierarchical database 层资料库一种按树状结构设计的资料库，其中每一个记录或者每一磁区只有一个拥有者，这种树状结构表示记录段之间的相互关系，并预先确定资料库中所存资料的存取通路，层级资料库是目前广泛采用的一种资料库。
随便看	UNCITRAL Model Law on International Commercial Arbitration uncivil uncivilised uncivilized uncivilly unclad unclaimed unclaimed cargo unclarity unclasp unclassed unclassified unclaused credit uncle unclean unclean bill of lading uncleaned uncleanly unclean mate's receipt uncleanness unclean receipt unclear uncle-in-law unclench Uncle Sam

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