Saved Bookmarks
| 1. |
Explain About Encoding Technique Used In Bitmaps Indexes? |
|
Answer» BITMAPS commonly USE one bitmap for EVERY single distinct value. Number of bitmaps used can be reduced by opting for a different type of encoding. SPACE can be optimized but when a query is GENERATED bitmaps have to be accessed. Bitmaps commonly use one bitmap for every single distinct value. Number of bitmaps used can be reduced by opting for a different type of encoding. Space can be optimized but when a query is generated bitmaps have to be accessed. |
|