| 释义 |
virtual storage access methodVSAM length records on direct access devices.The records in a VSAM data set or file can be organized in logical sequence by a key fieldkey sequence, in the physical sequence in which they are written on the data set or fileentrysequence, or by relativerecord number.；一种文件存取方法，它直接处理或按顺序处理直接存取设备上的固定长度或可变长度记录。虚拟存储存取法VSAM数据集或文件中的记录可根据某个关键字字段按逻辑顺序组织键顺序，可按它们写入数据集或写入文件的物理顺序组织进入顺序，或根据相对记录号组织。 |