| 释义 |
keyed direct access
关键字直接存取［访问］
The retrieval or storage of a data record by use of either an index that relates the \\{record's\\} key to its relative location in the file, or data set, or a relative-record number, independent of the \\{record's\\} location relative to the previously retrieved or stored record.
一种利用索引或相对记录号来检索或存储数据的方法。索引把记录的关键字和记录在文 件或数据集中的位置联系起来,而相对记录号则与前面检索或存储过的记录位置无关。 |