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Database Systems (?????) PowerPoint PPT Presentation

Database Systems (?????) - Slow update in comparison to heap file. ... Heap file with unclustered hash index on search key age, salary 27. Operations to Compare ...

Slow update in comparison to heap file. ... Heap file with unclustered hash index on search key age, salary 27. Operations to Compare ...

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GROSnet Reference DBase Live, GROS Powerpoint Presentation Slide Template PowerPoint PPT Presentation

GROSnet Reference DBase Live, GROS Powerpoint Presentation Slide Template - Households and their Houses. Transport, Communities and Local Government. Unclustered stratified design. Partially Clustered stratified design. 3,000 households ...

Households and their Houses. Transport, Communities and Local Government. Unclustered stratified design. Partially Clustered stratified design. 3,000 households ...

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More Optimization Exercises PowerPoint PPT Presentation

More Optimization Exercises - read r and add it to buffer page h(ri) foreach tuple s in S do //flush when fills ... there are unclustered BTree indexes on R.a and S.b. Is it cheaper to do an index ...

read r and add it to buffer page h(ri) foreach tuple s in S do //flush when fills ... there are unclustered BTree indexes on R.a and S.b. Is it cheaper to do an index ...

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JetMet - Coarse Hadronic may be responsible for fake jets ... All analyses based on p13 should NOT use the unclustered energy in the CH (layers 15,16,17) ...

Coarse Hadronic may be responsible for fake jets ... All analyses based on p13 should NOT use the unclustered energy in the CH (layers 15,16,17) ...

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Vishwani D. Agrawal PowerPoint PPT Presentation

Vishwani D. Agrawal - Testing for Faults, Looking for Defects Vishwani D. Agrawal James J. Danaher Professor Department of Electrical and Computer Engineering Auburn University, Auburn, AL ...

Testing for Faults, Looking for Defects Vishwani D. Agrawal James J. Danaher Professor Department of Electrical and Computer Engineering Auburn University, Auburn, AL ...

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Overview of Storage and Indexing PowerPoint PPT Presentation

Overview of Storage and Indexing - Index structure is file organization for data records (instead of a Heap file or sorted file) ... Files rarely kept sorted in practice; B tree index is better. ...

Index structure is file organization for data records (instead of a Heap file or sorted file) ... Files rarely kept sorted in practice; B tree index is better. ...

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Effectiveness Measures for VLSI Testing: Defective Parts per Million, Defect Coverage and Fault Coverage PowerPoint PPT Presentation

Effectiveness Measures for VLSI Testing: Defective Parts per Million, Defect Coverage and Fault Coverage - Effectiveness Measures for VLSI Testing: Defective Parts per Million, Defect Coverage and Fault Coverage Vishwani D. Agrawal James J. Danaher Professor

Effectiveness Measures for VLSI Testing: Defective Parts per Million, Defect Coverage and Fault Coverage Vishwani D. Agrawal James J. Danaher Professor

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Indexes and B-Trees PowerPoint PPT Presentation

Indexes and B-Trees - One common n-dimensional index: R-tree What data is held by the index ... Disk-based data structure Speeds up selections on the search key fields for the ...

One common n-dimensional index: R-tree What data is held by the index ... Disk-based data structure Speeds up selections on the search key fields for the ...

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Overview%20of%20Storage%20and%20Indexing PowerPoint PPT Presentation

Overview%20of%20Storage%20and%20Indexing - Scans: Leaf levels of a tree-index are chained. ... Scan entire heap file. Fetch data entry from index file. Fetch data record from file ...

Scans: Leaf levels of a tree-index are chained. ... Scan entire heap file. Fetch data entry from index file. Fetch data record from file ...

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Neural Network Applications Using an Improved Performance Training Algorithm PowerPoint PPT Presentation

Neural Network Applications Using an Improved Performance Training Algorithm - Input parameters: Fuzzy Hand Posture and Gesture Identification System Fuzzy Inference Machine (FIM) Max (Min( i)) i - intersection of ...

Input parameters: Fuzzy Hand Posture and Gesture Identification System Fuzzy Inference Machine (FIM) Max (Min( i)) i - intersection of ...

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Vishwani D. Agrawal - Title: Slide 1 Author: Vishwani Agrawal Last modified by: agrawvd Created Date: 8/13/2004 4:53:40 PM Document presentation format: On-screen Show (4:3)

Title: Slide 1 Author: Vishwani Agrawal Last modified by: agrawvd Created Date: 8/13/2004 4:53:40 PM Document presentation format: On-screen Show (4:3)

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File Organizations and Indexing PowerPoint PPT Presentation

File Organizations and Indexing - Chapter 8 How index-learning turns no student pale Yet holds the eel of science by the tail. -- Alexander Pope (1688-1744)

Chapter 8 How index-learning turns no student pale Yet holds the eel of science by the tail. -- Alexander Pope (1688-1744)

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Queries, Database Design, Constraint Enforcement PowerPoint PPT Presentation

Queries, Database Design, Constraint Enforcement - Title: File Organizations and Indexing Subject: Database Management Systems Author: Raghu Ramakrishnan and Johannes Gehrke Keywords: Chapter 8 Last modified by

Title: File Organizations and Indexing Subject: Database Management Systems Author: Raghu Ramakrishnan and Johannes Gehrke Keywords: Chapter 8 Last modified by

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Overview of Storage and Indexing - Overview of Storage and Indexing Chapter 8

Overview of Storage and Indexing Chapter 8

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Overview of File Organizations and Indexing PowerPoint PPT Presentation

Overview of File Organizations and Indexing - Overview of File Organizations and Indexing courtesy of Joe Hellerstein for some s Jianlin Feng School of Software SUN YAT-SEN UNIVERSITY Context Query ...

Overview of File Organizations and Indexing courtesy of Joe Hellerstein for some s Jianlin Feng School of Software SUN YAT-SEN UNIVERSITY Context Query ...

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File Organizations and Indexing - Title: File Organizations and Indexing Subject: Database Management Systems Keywords: Module 2, Lecture 2 Last modified by: Joe Hellerstein Created Date

Title: File Organizations and Indexing Subject: Database Management Systems Keywords: Module 2, Lecture 2 Last modified by: Joe Hellerstein Created Date

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File Organizations and Indexing - Lecture 4 R&G Chapter 8

Lecture 4 R&G Chapter 8

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File Organizations and Indexing - Title: File Organizations and Indexing Subject: Database Management Systems Keywords: Module 2, Lecture 2 Last modified by: Philip Bohannon Created Date

Title: File Organizations and Indexing Subject: Database Management Systems Keywords: Module 2, Lecture 2 Last modified by: Philip Bohannon Created Date

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Introduction to Relational Databases PowerPoint PPT Presentation

Introduction to Relational Databases - Introduction to Relational Databases Some other limitations of RDBMS Arrays Hierarchical data Example: Taxonomy of Organisms Hierarchy of categories: Kingdom - phylum ...

Introduction to Relational Databases Some other limitations of RDBMS Arrays Hierarchical data Example: Taxonomy of Organisms Hierarchy of categories: Kingdom - phylum ...

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External Sorting PowerPoint PPT Presentation

External Sorting - CPSC 461 1 The s for this text are organized into chapters. This lecture covers Chapter 13, and discusses external sorting. Sorting is one of the most frequent ...

CPSC 461 1 The s for this text are organized into chapters. This lecture covers Chapter 13, and discusses external sorting. Sorting is one of the most frequent ...

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Overview of Query Evaluation PowerPoint PPT Presentation

Overview of Query Evaluation - Title: Overview of Query Evaluation Subject: Database Management Systems Author: Raghu Ramakrishnan and Johannes Gehrke Keywords: Chapter 12 Last modified by

Title: Overview of Query Evaluation Subject: Database Management Systems Author: Raghu Ramakrishnan and Johannes Gehrke Keywords: Chapter 12 Last modified by

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Query Evaluation PowerPoint PPT Presentation

Query Evaluation - Data entries. direct search for (Index File) (Data file) Data Records. data entries ... 13. 43. B Trees in Practice. Typical order: 100. Typical fill-factor: ...

Data entries. direct search for (Index File) (Data file) Data Records. data entries ... 13. 43. B Trees in Practice. Typical order: 100. Typical fill-factor: ...

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Implementation of Relational Operations PowerPoint PPT Presentation

Implementation of Relational Operations - Title: Implementation of Relational Operators (Joins) Subject: Database Management Systems Author: Raghu Ramakrishnan Keywords: Module 4, Lecture 1

Title: Implementation of Relational Operators (Joins) Subject: Database Management Systems Author: Raghu Ramakrishnan Keywords: Module 4, Lecture 1

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File Organizations and Indices PowerPoint PPT Presentation

File Organizations and Indices - Unordered (Heap) Files Simplest file structure: contains records in no particular order; default in many systems. As file grows and shrinks, disk pages are allocated ...

Unordered (Heap) Files Simplest file structure: contains records in no particular order; default in many systems. As file grows and shrinks, disk pages are allocated ...

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Evaluation of Relational Operations: Other Operations PowerPoint PPT Presentation

Evaluation of Relational Operations: Other Operations - 461 Chapter 14, Part B

461 Chapter 14, Part B

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Overview of Indexing PowerPoint PPT Presentation

Overview of Indexing - Title: Overview of Storage and Indexing Subject: Database Management Systems Author: Raghu Ramakrishnan and Johannes Gehrke Keywords: Chapter 8 Last modified by

Title: Overview of Storage and Indexing Subject: Database Management Systems Author: Raghu Ramakrishnan and Johannes Gehrke Keywords: Chapter 8 Last modified by

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File Organizations and Indexing - Sorted files and tree-based indexes best for range search; also good for equality search. ( Files rarely kept sorted in practice; B tree index is better. ...

Sorted files and tree-based indexes best for range search; also good for equality search. ( Files rarely kept sorted in practice; B tree index is better. ...

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COP4540 Database Management System Final Review PowerPoint PPT Presentation

COP4540 Database Management System Final Review - ... /bookstore/book[price

... /bookstore/book[price

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Evaluation of Relational Operations: Other Operations - Evaluation of Relational Operations: Other Operations Chapter 14 Ramakrishnan & Gehrke (Sections 14.1-14.3; 14.5-14.7)

Evaluation of Relational Operations: Other Operations Chapter 14 Ramakrishnan & Gehrke (Sections 14.1-14.3; 14.5-14.7)

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Examples of Physical Query Plan Alternatives PowerPoint PPT Presentation

Examples of Physical Query Plan Alternatives - Selections from Chapters 12, 14, 15 Query Optimization NOTE: Relational query languages provide a wide variety of ways in which a user can express.

Selections from Chapters 12, 14, 15 Query Optimization NOTE: Relational query languages provide a wide variety of ways in which a user can express.

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Data Mining, Database Tuning PowerPoint PPT Presentation

Data Mining, Database Tuning - Title: Lecture 09: Author: Dan Last modified by: Dan Suciu Created Date: 10/16/2002 3:41:53 AM Document presentation format: On-screen Show Company

Title: Lecture 09: Author: Dan Last modified by: Dan Suciu Created Date: 10/16/2002 3:41:53 AM Document presentation format: On-screen Show Company

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Robert Zitoun, Stony Brook and LAPP PowerPoint PPT Presentation

Robert Zitoun, Stony Brook and LAPP - Project recoil on Ox and Oy. Data sx = 6.7 GeV and sy = 5.5 GeV. MC sx = 4.4 GeV and sy = 4.0 GeV ... like data. x: 4.5 GeV y: 2.9 GeV. Ox. Oy. Before. After ...

Project recoil on Ox and Oy. Data sx = 6.7 GeV and sy = 5.5 GeV. MC sx = 4.4 GeV and sy = 4.0 GeV ... like data. x: 4.5 GeV y: 2.9 GeV. Ox. Oy. Before. After ...

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Clustering Algorithms for Perceptual Image Hashing PowerPoint PPT Presentation

Clustering Algorithms for Perceptual Image Hashing - Embedded Signal Processing Laboratory. Dept. of Electrical and Computer Engineering ... Research supported by a gift from the Xerox Foundation ...

Embedded Signal Processing Laboratory. Dept. of Electrical and Computer Engineering ... Research supported by a gift from the Xerox Foundation ...

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Overview of Query Evaluation - Overview of Query Evaluation Chapter 12

Overview of Query Evaluation Chapter 12

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Relational Query Optimization PowerPoint PPT Presentation

Relational Query Optimization - Title: Relational Query Optimization Subject: Database Management Systems Author: Hayk Melikyan Keywords: Chapters 13 and 14 Last modified by: Hayk Melikyan

Title: Relational Query Optimization Subject: Database Management Systems Author: Hayk Melikyan Keywords: Chapters 13 and 14 Last modified by: Hayk Melikyan

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Overview of Storage and Indexing - ... consecutive pages is much cheaper than reading them in random order ... Examples of composite key. indexes using ... Order of fields in composite index key ...

... consecutive pages is much cheaper than reading them in random order ... Examples of composite key. indexes using ... Order of fields in composite index key ...

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ELEC%207770%20Advanced%20VLSI%20Design%20Spring%202008%20VLSI%20Test%20Principles PowerPoint PPT Presentation

ELEC%207770%20Advanced%20VLSI%20Design%20Spring%202008%20VLSI%20Test%20Principles - Test Program (written in high-level language) running on the computer ... Only one line is faulty. The faulty line is permanently set to 0 or 1 ...

Test Program (written in high-level language) running on the computer ... Only one line is faulty. The faulty line is permanently set to 0 or 1 ...

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Cost Estimation PowerPoint PPT Presentation

Cost Estimation - Cost Estimation For each plan considered, must estimate cost: Must estimate cost of each operation in plan tree. Depends on input cardinalities. Must estimate size of ...

Cost Estimation For each plan considered, must estimate cost: Must estimate cost of each operation in plan tree. Depends on input cardinalities. Must estimate size of ...

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Single Pass Clustering PowerPoint PPT Presentation

Single Pass Clustering - Now, there is only one cluster, C1, so we only need to compare T3 ... Therefore, we use T3 to start a new cluster, C2. Now we have two clusters. C1 = {T1, T2} ...

Now, there is only one cluster, C1, so we only need to compare T3 ... Therefore, we use T3 to start a new cluster, C2. Now we have two clusters. C1 = {T1, T2} ...

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Relational Query Optimization - Relational Query Optimization Chapter 15 Ramakrishnan & Gehrke (Sections 15.1-15.6)

Relational Query Optimization Chapter 15 Ramakrishnan & Gehrke (Sections 15.1-15.6)

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Query Evaluation - ... ???? k ??? ??? ?- rid (record identifier) ??? ????? ?????? ?? ???? ?? ???? k ... The parameter d is called the order of the tree. ... Example B Tree ...

... ???? k ??? ??? ?- rid (record identifier) ??? ????? ?????? ?? ???? ?? ???? k ... The parameter d is called the order of the tree. ... Example B Tree ...

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Queries, Database Design, Constraint Enforcement - Specify Schema + specify constraints. Implementation: SQL commands (assert, check, trigger, key) Query Tables. Implementation: SQL SELECT Input information ...

Specify Schema + specify constraints. Implementation: SQL commands (assert, check, trigger, key) Query Tables. Implementation: SQL SELECT Input information ...

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Semantic Data Caching and Replacement PowerPoint PPT Presentation

Semantic Data Caching and Replacement - Effectively use of client is a key to achieving high performance. Less network traffic. ... Object ID (Tuple ID or Page ID). Can be categorized as tuple-based ...

Effectively use of client is a key to achieving high performance. Less network traffic. ... Object ID (Tuple ID or Page ID). Can be categorized as tuple-based ...

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Relational Query Optimization - Title: Relational Query Optimization Subject: Database Management Systems Author: Raghu Ramakrishnan and Johannes Gehrke Keywords: Chapters 13 and 14

Title: Relational Query Optimization Subject: Database Management Systems Author: Raghu Ramakrishnan and Johannes Gehrke Keywords: Chapters 13 and 14

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Evaluation of Relational Operations Chapter 14 PowerPoint PPT Presentation

Evaluation of Relational Operations Chapter 14 - Title: Implementation of Relational Operators (Joins) Subject: Database Management Systems Author: Hayk Melikyan Keywords: Chapter 12, Part A Last modified by

Title: Implementation of Relational Operators (Joins) Subject: Database Management Systems Author: Hayk Melikyan Keywords: Chapter 12, Part A Last modified by

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Selection and achievement PowerPoint PPT Presentation

Selection and achievement - Few LEAs fully comprehensive so creaming occurred ... Subject to criticism by supporters of selective education Caroline Cox and John Marks ...

Few LEAs fully comprehensive so creaming occurred ... Subject to criticism by supporters of selective education Caroline Cox and John Marks ...

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Overview of Query Evaluation - Chapter 12 Ramakrishnan & Gehrke (Sections 12.1-12.3) What will you learn from this lecture? Query Evaluation basics System catalog (revisit) Generic techniques for ...

Chapter 12 Ramakrishnan & Gehrke (Sections 12.1-12.3) What will you learn from this lecture? Query Evaluation basics System catalog (revisit) Generic techniques for ...

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Image segmentation by clustering in the color space PowerPoint PPT Presentation

Image segmentation by clustering in the color space - Rgb pictures. Cherry flowers. House. tiger. airplane. car. people. Resluts 1. Mnp: 30, ... Original pictures segmented pictures. Results 2. Mnp: 10, ...

Rgb pictures. Cherry flowers. House. tiger. airplane. car. people. Resluts 1. Mnp: 30, ... Original pictures segmented pictures. Results 2. Mnp: 10, ...

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DBMS Storage and Indexing PowerPoint PPT Presentation

DBMS Storage and Indexing - In first alternative, moving records for ... Alternative File Organizations ... So, better than Alternative 1 with large data records, especially if search keys ...

In first alternative, moving records for ... Alternative File Organizations ... So, better than Alternative 1 with large data records, especially if search keys ...

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COP4540 Database Management System Final Review - Remember to practice even numbered exercises of the book ... author Giada De Laurentiis /author year 2005 /year price 30.00 /price /book ...

Remember to practice even numbered exercises of the book ... author Giada De Laurentiis /author year 2005 /year price 30.00 /price /book ...

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Index Structures PowerPoint PPT Presentation

Index Structures - ... age, did) stored as a heap file (unsorted) for which the only index is an ... 1. If you want to retrieve all records with salary 50, is using the index ...

... age, did) stored as a heap file (unsorted) for which the only index is an ... 1. If you want to retrieve all records with salary 50, is using the index ...

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External Sorting - Sorting useful for eliminating duplicate copies in a collection of records ... The 'snowplow' analogy. Worst-Case: What is min length of a run? How does this arise? ...

Sorting useful for eliminating duplicate copies in a collection of records ... The 'snowplow' analogy. Worst-Case: What is min length of a run? How does this arise? ...

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Overview of Implementing Relational Operators and Query Evaluation PowerPoint PPT Presentation

Overview of Implementing Relational Operators and Query Evaluation - Title: Introduction to Relational Query Optimization Subject: Database Management Systems Author: Raghu Ramakrishnan and Johannes Gehrke Keywords

Title: Introduction to Relational Query Optimization Subject: Database Management Systems Author: Raghu Ramakrishnan and Johannes Gehrke Keywords

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Randomised Controlled Trials in the Social Sciences PowerPoint PPT Presentation

Randomised Controlled Trials in the Social Sciences - Title: No Slide Title Author: Bland Last modified by: mb55 Created Date: 9/30/2002 9:18:40 AM Document presentation format: On-screen Show Company

Title: No Slide Title Author: Bland Last modified by: mb55 Created Date: 9/30/2002 9:18:40 AM Document presentation format: On-screen Show Company

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External Sorting - ... eliminating duplicate copies in a collection of records (Why? ... World record: 3.5 seconds. 12-CPU SGI machine, 96 disks, 2GB of RAM. New benchmarks proposed: ...

... eliminating duplicate copies in a collection of records (Why? ... World record: 3.5 seconds. 12-CPU SGI machine, 96 disks, 2GB of RAM. New benchmarks proposed: ...

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Layers of a DBMS PowerPoint PPT Presentation

Layers of a DBMS - Title: Architecture of a DBMS Author: alon Last modified by: Alon Levy Created Date: 11/18/1998 5:26:12 PM Document presentation format: On-screen Show

Title: Architecture of a DBMS Author: alon Last modified by: Alon Levy Created Date: 11/18/1998 5:26:12 PM Document presentation format: On-screen Show

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Unclustered PowerPoint PPT Presentations