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位图索引在数据仓库低基数值列中的研究

Abstract第6-7页
摘要第8-12页
List of contents第12-14页
List of Figures第14-17页
List of Acronyms第17-18页
1. INTRODUCTION AND RESEARCH BACKGROUND第18-26页
    1.1. INTRODUCTION第18-19页
    1.2. LITERATURE REVIEW第19-22页
    1.3. RESEARCH BACKGROUND第22-23页
        1.3.1. Factors of indexing of data warehoue第22页
        1.3.2. Cardinality第22-23页
        1.3.3. Features of selecting appropriate index第23页
    1.4. WHAT INDEX TECHNIQUES TO USE N DATA WAREHOUSE第23页
    1.5. HOW TO USE INDEX TECHNIQUES IN DATA WAREHOUSE第23-24页
    1.6. WHEN TO USE INDEX TECHNIQUES IN DATA WAREHOUSE第24页
    1.7. STRUCTURE OF THE THESIS第24-25页
    1.8 AIM OF THIS THESIS第25-26页
2. B-TREE INDEX AND BITMAP INDEX OVERVIEW第26-44页
    2.1. B-TREE INDEX OVERVIEW第26-30页
        2.1.1. Basics of B-tree第26-27页
        2.1.2. Standards of B-tree第27页
        2.1.3. B-tree Variants第27-28页
        2.1.4. Why we use B-tree第28页
        2.1.5. Advantages and Disadvantage of B-tree structure第28-29页
        2.1.6. B-Tree Index with Oracle第29-30页
    2.2. BITMAP INDEX OVERVIEW第30-37页
        2.2.1. Bitmap Index Properties第31-32页
        2.2.2. Advantages and Disadvantage of bitmap index第32-33页
        2.2.3. The basics of Bitmap Index第33页
        2.2.4. Bitmap index Bitwise Operations第33-34页
        2.2.5. Bitmap indexes in Oracle第34-36页
        2.2.6 Join operation for bitmap index in Oracle第36页
        2.2.7. Bitmap indexes and nulls第36-37页
    2.3. COMPARISON STUDY BETWEEN BITMAP INDEX AND TRADITIONAL B-TREE第37-38页
    2.4. BITMAP INDEXING AND RELATED INDEXING TECHNIQUES第38-41页
        2.4.1. Simple Bitmap Indexes第38-39页
        2.4.2. Projection Index(PI)第39-40页
        2.4.3. Bit-Sliced Index(BSI)第40页
        2.4.4 Byte-Aligned Bitmaps Codes(BBC)第40-41页
        2.4.5 Word-Aligned Hybrid(WAH)第41页
    2.5. COMPARISON OF DIFFERENT INDEXING TECHNIQUE第41-43页
    2.6. SUMMARY第43-44页
3. FRAMEWORK OF COMPARISON B-TREE AND BITMAP INDEXES第44-56页
    3.1. KEY TECHNOLOGIES OF BITMAP INDEX第44-45页
    3.2. METHODS第45-54页
        3.2.1. Technologies in Oracle Developer第45-52页
        3.2.2. Basic data file structure in Oracle database第52-54页
    3.3. REQUIREMENTS OF SYSTEM第54页
    3.4. FLOWCHART OF OVERALL WORK第54-55页
    3.7. SUMMARY第55-56页
4. FRAMEWORK IMPLEMENTATION & PERFORMANCE ASSESSMENT第56-86页
    4.1. INTRODUCTION第56页
    4.2. EXPERIMENTAL PART第56-72页
        4.2.1. First Experiment第56-61页
        4.2.2. Second Experiment第61-65页
        4.2.3. Third Experiment第65-72页
    4.3. TIME AND SPACE COMPLEXITY OF BITMAP AND B-TREE INDEXES第72-74页
        4.3.1. Time Complexity ofBitmap and B-tree indexes第72-73页
        4.3.2. Space complexity of Bitmap and B-tree indexes第73-74页
    4.4. INDEX CREATION TIME FOR BITMAP INDEX AND B-TREE INDEX第74-76页
    4.5. PROPOSED APPROACH FOR COMBINING BASIC BITMAP INDEX AND RANGE BASED ENCODING AND B-TREE第76-82页
        4.5.1. Basic bitmap index algorithm第76-78页
        4.5.2. Range based encoding algorithm第78-80页
        4.5.3. Proposed approach for combining three indexes第80-81页
        4.5.4. Algorithm description第81-82页
    4.6. TIME COMPLEXITY OF THE PROPOSED APPROACH第82-85页
    4.7. SUMMARY第85-86页
5. CONCLUSION AND FUTURE WORKS第86-89页
    5.1. CONCLUSION第86-87页
    5.2. FUTURE WORK第87-89页
ACKNOWLEDGMENTS第89-90页
REFERENCES第90-96页
RESEARCH & PUBLICATIONS第96页

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