| 释义 |
compressed index
压缩索引
An index for which only enough index information is stored to identify unique index entries; information which an index shares with the previous or following key is “compressed” (truncated) and not stored, to reduce the storage overhead required by an index.
仅存储为识别该索引表目所必需的信息的一种索引。与其前驱或后继索引 关键字共享的信息被压缩(截去),以减少存储器开销。比较noncompressed index。 |