A VSAM file containing model job control statements and control information for batch SDF / CICS.
一种虚拟存储存取法(VSAM) 文件,包含成批用户信息控制系统(CICS)屏幕定义程序(SDF)的样板作业控制语句和控制信息.
VSAM is used for direct or sequential processing of fixed - length and variable - length records on DASD.
VSAM用来对DASD上定长或变长的记录进行直接或顺序的处理.
VSAM arranges records by an index key, relative record number, or relative byte addressing.
VSAM通过一个索引键值, 相关记录号或者相关字节地址来组织记录.