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Lecture 11

Lecture 11

Lecture 11. Recoverability. Recoverability. Serializability identifies schedules that maintain database consistency, assuming no transaction fails. Could also examine recoverability of transactions within schedule.

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416 views • 35 slides
Concurrency Control

Concurrency Control

Concurrency Control. By Ankit Patel 112 Aniket Mulye 111. INTRODUCTION. Enforcing serializability by locks Locks Locking scheduler Two phase locking Locking systems with several lock modes Shared and exclusive locks Compatibility matrices Upgrading/updating locks Incrementing locks.

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453 views • 23 slides
Concurrency Control

Concurrency Control

Concurrency Control. By Donavon Norwood Ankit Patel Aniket Mulye. INTRODUCTION. Enforcing serializability by locks Locks Locking scheduler Two phase locking Locking systems with several lock modes Shared and exclusive locks Compatibility matrices Upgrading/updating locks

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362 views • 23 slides
Concurrency Control

Concurrency Control

Concurrency Control. By Donavon Norwood Ankit Patel Aniket Mulye. INTRODUCTION. Enforcing serializability by locks Locks Locking scheduler Two phase locking Locking systems with several lock modes Shared and exclusive locks Compatibility matrices Upgrading/updating locks

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363 views • 23 slides
Unix programming Term:2008-2009 III B.Tech II semester Unit-V II PPT Slides

Unix programming Term:2008-2009 III B.Tech II semester Unit-V II PPT Slides

Unix programming Term:2008-2009 III B.Tech II semester Unit-V II PPT Slides Text Books : (1)unix the ultimate guide by Sumitabha Das (2)Advanced programming in Unix environment by Stevens . INDEX UNIT-V II PPT SLIDES.

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300 views • 22 slides
Unix programming Term:2008-2009 III B.Tech II semester Unit-V II PPT Slides

Unix programming Term:2008-2009 III B.Tech II semester Unit-V II PPT Slides

Unix programming Term:2008-2009 III B.Tech II semester Unit-V II PPT Slides Text Books : (1)unix the ultimate guide by Sumitabha Das (2)Advanced programming in Unix environment by Stevens . INDEX UNIT-V II PPT SLIDES.

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241 views • 22 slides
Database Systems

Database Systems

Database Systems. Lecture 23/24 Concurrency Control I Asma Ahmad FAST-NU April 14 th , 2011. Concurrency Control Techniques. Techniques ensure serializable schedules by using protocols that guarantee serializability Main types of techniques are locking and timestamps. Locks.

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306 views • 21 slides

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