Serializability

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High Quality Content by WIKIPEDIA articles! In databases, transaction processing (transaction management), and various transactional applications, both centralized and distributed, a transaction schedule (history) is serializable, has the Serializability property, if its outcome (the resulting database state, the values of the database's data) is equal to the outcome of its transactions executed serially, i.e., sequentially without overlapping in time. Transactions are normally executed concurrently (they overlap), since this is the most efficient way. Serializability is the major correctness criterion for concurrent transactions' executions. It is considered the highest level of isolation between transactions, and plays an essential role in concurrency control. As such it is supported in all general purpose database systems. Strict strong two-phase locking (SS2PL) is a popular serializability mechanism utilized in most database systems (in various variants) since their early days in the 1970ies.

Weitere Informationen

  • Allgemeine Informationen
    • GTIN 09786130545512
    • Editor Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
    • Genre Physik & Astronomie
    • EAN 9786130545512
    • Format Fachbuch
    • Titel Serializability
    • Herausgeber Betascript Publishing
    • Anzahl Seiten 112

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