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Precedence graph

A precedence graph, also named conflict graph and serializability graph, is used in the context of concurrency control in databases. It is the directed graph representing precedence of transactions in the schedule, as reflected by precedence of conflicting operations in the transactions. A schedule is conflict-serializable if and only if its precedence…

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Precedence graph

Nodes9
Edges8
Triples19
Avg. degree1.78
Density0.222222
Components1

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Precedence graph

Top relations

related to External links · 13
Precedence graph → Abraham Silberschatz, Database System Concepts, Database Systems, Edition, Henry Korth, Inc, McGraw-Hill, New York, NY, PP, Sudarshan, The Fundamentals, USA
related to Example 2 · 6
Precedence graph → As, Conflict, Notice, T1, T2, Transaction

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Important terminology

precedence graph schedule transactions serializability transaction cycle committed t1 t2 conflict ti write one aborted tj read example create edge

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Precedence graphrelated to Example 2As0.60section
Precedence graphrelated to Example 2T10.60section
Precedence graphrelated to Example 2T20.60section
Precedence graphrelated to Example 2Conflict0.60section
Precedence graphrelated to Example 2Notice0.60section
Precedence graphrelated to Example 2Transaction0.60section
Precedence graphrelated to External linksThe Fundamentals0.60section
Precedence graphrelated to External linksDatabase Systems0.60section
Precedence graphrelated to External linksEdition0.60section
Precedence graphrelated to External linksAbraham Silberschatz0.60section
Precedence graphrelated to External linksHenry Korth0.60section
Precedence graphrelated to External linksSudarshan0.60section

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    Min side: 3
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