位图索引的设计与实现

Bitmap Index Design and Implementation

文章在分析了几种现有位图索引的基础上,为国产数据库系统DM设计了分段范围编码位图索引。最后介绍了DM位图索引的建立以及查询方法。

Bitmap index is an index technology which support bit operation. It is an efficient index for OLAP database After analyzing several existing bitrnap indexes, we design segmented range encoded bitmap index on DM DBMS. The creation and query method of DM bitrnap index were introduced at last.