术语 | queued indexed sequential access method (QISAM) |
释义 | queued indexed sequential access method (QISAM) 排队索引顺序存取法;[队列索引顺序接达法] An extended version of the sequential form of the basic indexed sequential access method (BISAM). When this method is used, a queue is formed of input data blocks that are awaiting processing or output data blocks that have been processed and are awaiting transfer to auxiliary storage or to an output device. 基本索引顺序存取法(BISAM)中的顺序形式的扩充类型。当使用这种存取方法时, 由输入数据块或输出数据块形成的一个队列,其中输入数据块正等待处理,输出数据块 已经处理过,正等待传送给辅助存储器或某一输出设备。 |
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