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Sequential storage - PowerPoint PPT Presentation

C HAPTER 2

C HAPTER 2

C HAPTER 2. Computer Hardware. Chapter Contents. Section A: Data Representation and Digital Electronics Section B: Microprocessors and Memory Section C: Storage Devices Section D: Input and Output Devices. Section A: Data Representation and Digital Electronics. Data Representation

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699 views • 53 slides
Data Organization - B-trees

Data Organization - B-trees

Data Organization - B-trees. A simple index. Index file. Brighton A-217 700 Downtown A-101 500 Downtown A-110 600 Mianus A-215 700 Perry A-102 400 . A-101 A-102 A-110 A-215 A-217 . Index of depositors on acct_no.

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470 views • 38 slides
Chapter 4 Information Technology in Business: Hardware

Chapter 4 Information Technology in Business: Hardware

Chapter 4 Information Technology in Business: Hardware. April 19, 2003. Learning Objectives. When you finish this chapter, you will: Recognize major components of an electronic computer. Understand how the different components work. Know the functions of peripheral equipment.

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627 views • 36 slides
Tree-Structured Indexes

Tree-Structured Indexes

Tree-Structured Indexes. Chapter 9. Introduction. As for any index, 3 alternatives for data entries k* : Data record with key value k < k , rid of data record with search key value k > < k , list of rids of data records with search key k >

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404 views • 34 slides
Database Management Systems

Database Management Systems

Database Management Systems. Chapter 9 Physical Design. All access to the data is routed through the DBMS. Additional layer could slow retrieval and storage. Programs cannot directly control access to the data Any access optimization must reside within the DBMS. Most common method: Index.

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404 views • 29 slides
Database Management Systems

Database Management Systems

Database Management Systems. Chapter 9 Physical Design. All access to the data is routed through the DBMS. Additional layer could slow retrieval and storage. Programs cannot directly control access to the data Any access optimization must reside within the DBMS. Most common method: Index.

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408 views • 29 slides
Performance Issues

Performance Issues

All access to the data is routed through the DBMS. Additional layer could slow retrieval and storage. Programs cannot directly control access to the data Any access optimization must reside within the DBMS. Most common method: Index. Performance Issues. All Data. DBMS. Program1. Program2.

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488 views • 28 slides

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