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CSIS 7102 Spring 2004 Lecture 3 : Two-phase locking

CSIS 7102 Spring 2004 Lecture 3 : Two-phase locking

CSIS 7102 Spring 2004 Lecture 3 : Two-phase locking. Dr. King-Ip Lin. Table of contents. Lock-based protocol 2-phase locking Deadlocks Lock implementation The phantom problem. The story so far. Isolation: one key requirement for transaction Isolation as conflict serializability

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690 views • 54 slides
CSIS 7102 Spring 2004 Lecture 3 : Two-phase locking

CSIS 7102 Spring 2004 Lecture 3 : Two-phase locking

CSIS 7102 Spring 2004 Lecture 3 : Two-phase locking. Dr. King-Ip Lin. Table of contents. Lock-based protocol 2-phase locking Deadlocks Lock implementation The phantom problem. The story so far. Isolation: one key requirement for transaction Isolation as conflict serializability

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541 views • 54 slides
File Processing : Transaction Management

File Processing : Transaction Management

File Processing : Transaction Management. 2018, Spring Pusan National University Ki-Joune Li. Basic Concepts of Transaction. Transaction A set of operations Atomic : All or Nothing : Consistent State of Database Example : Flight Reservation Cf. Partially Done : Inconsistent State.

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489 views • 47 slides
File Processing : Concurrency Control

File Processing : Concurrency Control

File Processing : Concurrency Control. 2004, Spring Pusan National University Ki-Joune Li. For given transactions T 1 , T 2 ,.., T n , Schedule (History) S is serializable if Result( S ) ? Result( S k ) where S k is a serial excution schedule.

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317 views • 21 slides
Learn about Concurrency Protocol in Oracle Certification Courses in Pune

Learn about Concurrency Protocol in Oracle Certification Courses in Pune

If you consider multiprogramming environment where various transactions work together at the same time, it is vital to manage the concurrency of dealings.

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161 views • 9 slides
Learn about Concurrency Protocol in Oracle Certification Courses in Pune

Learn about Concurrency Protocol in Oracle Certification Courses in Pune

If you consider multiprogramming environment where various transactions work together at the same time, it is vital to manage the concurrency of dealings.

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91 views • 5 slides

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