计算机术语“alternate-index record”的中英文意思、释义、翻译及用法-计算机英汉双解词典

术语	alternate-index record
释义	alternate-index record 备用［替换］索引记录 In VSAM,a collection of items used to sequence and locate one or more data records in a base cluster.Each alternateindex record contains an alternate key value and one or more pointers.When the alternate index supports a key sequenced data set,each data record’s prime key value is the pointer.When the alternate index supports an entrysequenced data set,the data record’s RBA value is the pointer. 在虚拟存储存取方法(VSAM)中,用于定序和定位基簇中的一个或多个数据记录的项的汇集。每个备用索引记录包含一个备用关键字的值和一个或多个指针。当该备用索引支持某个关键字顺序数据集时,每个数据记录的主关键字值就是这种指针。当该备用索引支持某个输入顺序数据集时,该数据记录的RBA(相对字节地址)值就是这种指针。
随便看	lost updates lot LOTIS LOTUS 123 loudspeaker control low activity data processing low byte low-end MPU lower bound lower case lower curtate lowering the typing line lower letter row lower sideband lower window edge low I/O programs low-level code/continuity check (LLC/CC ) low-level language (LOWL) low-level modulation low limiting control action low-noise amplifier (LNA) low order digit low order end low-order position low or high selector

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