Database Recovery

AvVijay Kumar,Sang Hyuk Son

Inbunden, Engelska, 1998

Del i serien Advances in Database Systems

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Beskrivning

An discussion on all aspects of database recovery. The text introduces the topic and then presents a formal treatment of recovery mechanism. This text elevates the recovery from a mechanism to a concept, and presents its essential properties. It also presents a detailed description of recovery mechanisms as implemented on Informix, OpenIngres, Oracle, and Sybase commercial database systems.

Produktinformation

Utgivningsdatum:1998-07-31
Mått:155 x 235 x 8 mm
Vikt:336 g
Format:Inbunden
Språk:Engelska
Serie:Advances in Database Systems
Antal sidor:94
Upplaga:1998
Förlag:Kluwer Academic Publishers
ISBN:9780792381921

Utforska kategorier

Databaser inom Data och IT
IT-säkerhet inom Data och IT

Innehållsförteckning

1. Database Fundamentals.- ACID Properties of Transactions.- Transaction Execution.- The Cache Manager.- The Recovery Manager.- Concurrency Control Mechanisms.- Management of Concurrent Execution.- Recoverability.- 2. Formalization of Recovery*.- The Formal Model.- Operations, Events, States, and Histories.- A Hierarchy of Histories.- Specification of Requirements.- Specification of Assurances.- Specification of Recovery Mechanisms.- Sample Proofs.- Dealing with a Specific Recovery Protocol.- Relaxation of the Assumptions made thus far.- 3. Recovery Approaches.- Checkpointing.- Recovery Algorithms.- Performance.- 4. Recovery in Informix.- Logical Logging.- Physical Logging.- Checkpointing.- Fast Recovery.- 5. Recovery in Openingres.- Transaction Recovery.- Page Oriented Recovery.- Transaction Undo.- Transaction Redo.- Transaction Rollforward.- Recovery Methods.- Context-Independent Recovery.- Transaction Rollback.- Redo Recovery.- Rollforward Recovery.- Consistency Points.- Archiver Process.- 6. Recovery in Oracle.- Change Vector and Redo Record.- System Change Numbers.- High, Low, and Stop SCNs.- Log Switching.- Checkpoints.- Checkpoint Processing.- Fast and Slow Checkpoints.- Thread Checkpoint.- Database and Data File Checkpoints.- Log History.- Control Files, Data Files, and Log Files.- Recovery Methods.- Media Recovery.- Database-wide Recovery Options.- Complete vs. Incomplete Recovery.- RESETLOGS Option.- 7. Recovery in Sybase.- Logging.- Recovery Procedures.- recovery overview.- Phases.- DB-level front-ends.- The “do” layer.- References.