2pl protocol - PowerPoint PPT Presentation

Transaction Management

Transaction Management. Dale-Marie Wilson, Ph.D. Transaction Support. Transaction Action, or series of actions, carried out by user or application, which reads or updates contents of database. Logical unit of work

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708 views • 48 slides

Transactions

Transactions. ACID Concurrency Control. Transaction - Definition. A transaction is an operation on data in the database. A transaction may be composed of several database operations, but is viewed as a logical unit of work A transaction must be done completely or not done at all

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432 views • 30 slides

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