'Undo logging' diaporamas de présentation

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????????? ?????? ????????? Notes 09: Failure Recovery

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CPS216: Advanced Database Systems Notes 10: Failure Recovery

CPS216: Advanced Database Systems Notes 10: Failure Recovery. Shivnath Babu. Schedule. Crash recovery (1 lect.) Ch. 17 Concurrency control (1.5 lect.) Ch. 18 More transaction proc. (1.5 lect.) Ch. 19. Integrity or correctness of data.

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CPS216: Advanced Database Systems Notes 10: Failure Recovery

CPS216: Advanced Database Systems Notes 10: Failure Recovery. Shivnath Babu. Schedule. Crash recovery (1 lect.) Ch. 17 Concurrency control (1.5 lect.) Ch. 18 More transaction proc. (1.5 lect.) Ch. 19. Integrity or correctness of data.

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CPS216: Advanced Database Systems Notes 10: Failure Recovery

CPS216: Advanced Database Systems Notes 10: Failure Recovery. Shivnath Babu. Schedule. Crash recovery (1 lect.) Ch. 17 Concurrency control (1.5 lect.) Ch. 18 More transaction proc. (1.5 lect.) Ch. 19. Integrity or correctness of data.

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CPS216: Advanced Database Systems Notes 10: Failure Recovery

CPS216: Advanced Database Systems Notes 10: Failure Recovery. Shivnath Babu. Schedule. Crash recovery (1 lect.) Ch. 17 Concurrency control (1.5 lect.) Ch. 18 More transaction proc. (1.5 lect.) Ch. 19. Integrity or correctness of data.

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CPS216: Data-intensive Computing Systems Failure Recovery

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CS 277: Database System Implementation Notes 08: Failure Recovery

CS 277: Database System Implementation Notes 08: Failure Recovery. Arthur Keller. PART II. Crash recovery (2 lectures) Ch.17 Concurrency control (3 lectures) Ch.18 Transaction processing (2 lects) Ch.19 Information integration (1 lect) Ch.20. Integrity or correctness of data.

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CS422 Principles of Database Systems Failure Recovery

CS422 Principles of Database Systems Failure Recovery. Chengyu Sun California State University, Los Angeles. ACID Properties of DB Transaction. Atomicity Consistency Isolation Durability. Failure Recovery. Ensure atomicity and durability despite system failures. start transaction;

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CS4432: Database Systems II

CS4432: Database Systems II. Database Consistency and Violations?. Transactions, etc. Crash recovery Chapter 17 Concurrency control Chapter 18 Transaction processing Chapter 19. Name. Age. White Green Gray. 52 3421 1. Integrity or correctness of data ?.

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CPS216: Data-intensive Computing Systems Failure Recovery

CPS216: Data-intensive Computing Systems Failure Recovery. Shivnath Babu. Key problem Unfinished transaction. Example Constraint: A=B T 1 : A ? A ? 2 B ? B ? 2. Unexpected Events:. Examples: Power goes off Software bugs Disk data is lost

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Introduction to Database Systems CSE 444 Lectures 15-16: Recovery

Introduction to Database Systems CSE 444 Lectures 15-16: Recovery. October 31-November 2, 2007. Announcements. Homework 3: Attributes v.s. elements: /item v.s. /@item Data is not clean OK to return any sensible answer, no need to clean

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Failure Recovery

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CS422 Principles of Database Systems Failure Recovery

CS422 Principles of Database Systems Failure Recovery. Chengyu Sun California State University, Los Angeles. ACID Properties of DB Transaction. Atomicity Consistency Isolation Durability. Failure Recovery. Ensure atomicity and durability despite system failures. start transaction;

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Lecture 27: Size/Cost Estimation, Recovery

Lecture 27: Size/Cost Estimation, Recovery. Wednesday, December 3 rd , 2003. Outline. Cost estimation: 16.4 Recovery using undo logging 17.2. Size Estimation. Need T(E) and V(E,a) in order to estimate cost and choose a good plan This is impossible without computing E

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Lecture 27: Size/Cost Estimation, Recovery

Lecture 27: Size/Cost Estimation, Recovery. Wednesday, December 3 rd , 2003. Outline. Cost estimation: 16.4 Recovery using undo logging 17.2. Size Estimation. Need T(E) and V(E,a) in order to estimate cost and choose a good plan This is impossible without computing E

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Recovery

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Recovery

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chadd williams SHRUG 10/05/2001

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