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Database Systems ( 資料庫系統 )

This quick review covers topics such as disk space management, arranging pages on disk, RAID for performance and reliability, buffer management, page replacement algorithms, file and access methods, clustered/unclustered indices, and tree/hash indices. It also includes applications, queries, query optimization and execution, relational operators, files and access methods, buffer management, disk space management, query evaluation, and transaction topics such as concurrency control, scheduling, locking, deadlock detection, prevention, and crash recovery using the ARIES method.

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Database Systems ( 資料庫系統 )

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  1. Database Systems(資料庫系統) A Quick Review for Final Exam

  2. Storage and Indexing (Ch8-10) • Disk space manager • Arrange pages on disk (reduce I/O access time) • RAID: performance (data striping) & reliability (redundancy) • Buffer manager • Page replacement algorithms • Clock (LRU) algorithm • File and access methods • Clustered/unclustered indices • Tree/Hash indices: B+/ISAM trees, Static hashing, extendible/linear hashing Applications Queries Query Optimization and Execution Relational Operators Files and Access Methods Buffer Manager Disk Space Manager

  3. Query Evaluation (Ch12-14) • Relational operators • Projection algorithm, Selection algorithm • Join algorithms: simple nested, block nested, index nested, sort-merge • Sorting: 2-way merge sort, B-way merge sort, replacement sort • Query evaluation/optimization Applications Queries Query Optimization and Execution Relational Operators Files and Access Methods Buffer Manager Disk Space Manager

  4. Transaction (Ch16-18) • Concurrency control • Schedule: serial, serializable, recoverable, conflict serializable, view serializable. • Locking: 2PL, Strict 2PL, Conservative 2PL • Deadlock: detection (wait-for-graph), prevention (wait-die, wound-wait). • Crash recovery • ARIES

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