'Bitmap index' presentation slideshows

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Lock-Free Resizeable Concurrent Tries

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C20.0046: Database Management Systems Lecture #26

C20.0046: Database Management Systems Lecture #26. Matthew P. Johnson Stern School of Business, NYU Spring, 2004. Agenda. Previously: Indices Next: Finish Indices, advanced indices Failure/recovery Data warehousing & mining Websearch Hw3 due today no extensions! 1-minute responses

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HDF5 FastQuery Accelerating Complex Queries on HDF Datasets using Fast Bitmap Indices

HDF5 FastQuery Accelerating Complex Queries on HDF Datasets using Fast Bitmap Indices. John Shalf, Wes Bethel LBNL Visualization Group Kensheng Wu, Kurt Stockinger LBNL SDM Center Luke Gosink, Ken Joy UC Davis IDAV. Motivation and Problem Statement. Too much data.

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Chap 5. Disk IO Distribution Chap 6. Index Architecture

Chap 5. Disk IO Distribution Chap 6. Index Architecture. Written by Yong-soon Kwon Summerized By Sungchan Park @ IDS Lab. 2008-07-11. Overview. Chap 5. Disk IO Distribution Oracle Storage Architecture Tuning by Disk IO Distribution Chap 6. Index Architecture Introduction to Index

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Bitmap Indices for Speeding Up End User Physics Analysis

Bitmap Indices for Speeding Up End User Physics Analysis. Main Results of Ph.D. Thesis Kurt Stockinger Database Group, IT-Division, CERN Formerly affiliated with: Institute of Computer Science and Business Informatics, University of Vienna, Austria. Outline.

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Encoded Bitmap Indexing and Compressed Bitmaps

Encoded Bitmap Indexing and Compressed Bitmaps. Yashvardhan Sharma Faculty, CS&IS BITS-Pilani. Outline. Problems with Simple Bitmap Indexes Encoded Bitmap Indexes Compression of Bitmaps Byte Aligned Bitmap Code (BBC) Word Aligned Hybrid Code (WAH). Pure Bitmap Index.

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Data Dictionary Views and Control Files

Chapter 11. Data Dictionary Views and Control Files. Mohd Shahizan Othman Jabatan Sistem Maklumat Fakulti Sains Komputer & Sistem Maklumat. Objectives. Use the data dictionary components and views List useful dynamic performance views View control file & redo log files information.

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Advanced Querying

Advanced Querying. OLAP Part 2. Context. OLAP systems for supporting decision making. Components: Dimensions with hierarchies, Measures, Aggregation Data model: Multidimensional cube. Context. Operations: Roll-up, drill-down, Pivot, Slice and dice. Implementation: ROLAP MOLAP.

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Dual Bitmap Index: Space-Time Efficient Bitmap Index for Equality and Membership Queries

Dual Bitmap Index: Space-Time Efficient Bitmap Index for Equality and Membership Queries. Niwan Wattanakitrungroj and Sirirut Vanichayobon Information Systems Technology and Applied Research Laboratory Department of Computer Science, Prince of Songkla University. Introduction

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Indexing and Parallel Query Processing Support for Visualizing Climate Datasets

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Bitmap Indices for Data Warehouse

Bitmap Indices for Data Warehouse. Jianlin Feng School of Software SUN YAT-SEN UNIVERSITY Feb 27, 2009. Star Schema Vs. Multi-dimensional Range Queries. SUM (qty * amt) WHERE ProdId in [p1.. p10] AND custId < 200.

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Bitmap Indices for Data Warehouse

Bitmap Indices for Data Warehouse. Jianlin Feng School of Software SUN YAT-SEN UNIVERSITY. Star Schema Vs. Multi-dimensional Range Queries. SUM (qty * amt) WHERE ProdId in [p1.. p10] AND custId < 200. Characteristics of Multi-Dimensional Range Queries in Data Warehouse. Ad-Hoc

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Indexes

Indexes. All DBMSs provide variations of b-trees for indexing. B-tree index Bitmapped index Bitmapped join index. A data warehousing DBMS will likely provide these, or variations, on these. See excerpt from Data Warehouse Design handed out in class

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HERON Performance -DRAFT-

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Bitmap Indices for Fast End-User Physics Analysis in ROOT

Bitmap Indices for Fast End-User Physics Analysis in ROOT. Kurt Stockinger 1 , Kesheng Wu 1 , Rene Brun 2 , Philippe Canal 3 (1) Berkeley Lab, Berkeley, USA (2) CERN, Geneva, Switzerland (3) Fermi Lab, Batavia, USA. Contents.

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Bitmap Index Design and Evaluation

Bitmap Index Design and Evaluation. By: Chee-Yong Chan Yannis E.Ioannidis. Ariel Noy Data representation and retrieval seminar. Introduction. Query performance issues On Line Transaction Processing. Read write database. Decision Support System.

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Indexes

Indexes. All DBMSs provide variations of b-trees for indexing. B-tree index Bitmapped index Bitmapped join index. A data warehousing DBMS will likely provide these, or variations, on these. See http://en.wikipedia.org/wiki/Bitmap_index

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Using Bitmap Index to Speed up Analyses of High-Energy Physics Data

Using Bitmap Index to Speed up Analyses of High-Energy Physics Data. John Wu , Arie Shoshani, Alex Sim, Junmin Gu, Art Poskanzer Lawrence Berkeley National Laboratory Wei-Ming Zhang Kent State University Jerome Lauret Brookhaven National Laboratory. Outline. Overview bitmap index

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1. B* TREE INDEX

1. B* TREE INDEX. Root Block. ?? ????? ???? ??? (OLTP,DW..) Leaf Block ? ? value ? ?? Rowid ? ?? (Table ? Row ? ???? Pointer ?? ) Leaf Block ? ?? ???? ?? (Leaf Block ? ? , ?? Leaf Node ? ?? Link ? ??? ?? ) ???? ?? Table ? 1 row ??? ?? 3 ~ 4 Block Access. max value min value.

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