| 释义 |
index data base 索引数据库;[索引资料库] In DL/1 data base, an ordered collection of DL/1 index entries (segments) consisting of a key and a pointer used by virtual storage access method to sequence and locate the records of a key sequenced data set. Organized as a balanced tree of levels of index. 在IBM的DL/1数据库中,由键和指针组成的DL/1索引项(段)的有序集合,它在虚拟存储 存取方法中用于键顺序数据集中记录的定序及查找。索引层组织为平衡树结构。 |