释义 |
selective sequential 顺序选择 A technique of processing a directaccess sequential file so that selected records in the file are located by means of an index table and are presented in the processing program in key number sequence. 一种直接存取顺序文件的处理方法,文件中被选的记录借助于索引表定位,并按其键号顺序提供给处理程序。 |