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Explain The Encoding Technique Used In Bitmaps Indexes? |
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Answer» ONE bitmap is commonly USED for every single DISTINCT value. When opted for DIFFERENT types of encoding, the number of BITMAPS could be reduced. Space optimization can be achieved, except when the query is generated; bit maps need to be accessed. One bitmap is commonly used for every single distinct value. When opted for different types of encoding, the number of bitmaps could be reduced. Space optimization can be achieved, except when the query is generated; bit maps need to be accessed. |
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