Comparative Study of Various Bitmap Indexing Techniques Used in Data Warehouse

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Provided by: International Journal of Emerging Trends & Technology in Computer Science (IJETTCS)
Topic: Data Management
Format: PDF
A data warehouse is a subject-oriented, integrated, non-volatile, and time variant collection of data in support of management's decision. For running complex query, performing aggregated function and handling huge no of data in data warehouse the bitmap indexing has become the most popular indexing technique recently. The authors study different type of bitmap indexing techniques (simple bitmap and encoded bitmap) & perform aggregated operation on query with the help of both simple & encoded bitmap indexing and analyses the result, which was really interesting.
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