'Redo logging' presentation slideshows

????????? ?????? ????????? 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: 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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Recovery

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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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Lecture 12: Transactions: Recovery

Lecture 12: Transactions: Recovery. Outline. Recovery Undo Logging Redo Logging Undo/Redo Logging Book Section 15.1, 15.2, 23, 24, 25. Recovery. Most frequent. Transactions. Assumption: the database is composed of elements Usually 1 element = 1 block

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Coping With System Failure

Coping With System Failure. Chapter 17 of GUW. Objectives. To understand how data can be protected in the face of system failure Techniques for supporting the goal of resilience, that is, the integrity of data when the system fails in some way. - Lecture outline.

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Experiences of Global Temporary Tables in Oracle 8.1

Experiences of Global Temporary Tables in Oracle 8.1. David Kurtz Go-Faster Consultancy Ltd. david@go-faster.co.uk www.go-faster.co.uk. Experiences of Global Temporary Tables. Who am I? What are they? Where did we use them? Why did we want to use them? What benefits did they bring?

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Recovery

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Recovery

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Recovery Control (Chapter 17) Redo Logging

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Lecture 13: Recovery

Lecture 13: Recovery. Wednesday, February 2, 2005. Outline. Recovery using undo logging 17.2 Redo logging 17.3 Redo/undo 17.4. Checkpointing. Checkpoint the database periodically Stop accepting new transactions Wait until all current transactions complete Flush log to disk

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Lecture 13: Recovery

Lecture 13: Recovery. Wednesday, February 2, 2005. Outline. Recovery using undo logging 17.2 Redo logging 17.3 Redo/undo 17.4. Checkpointing. Checkpoint the database periodically Stop accepting new transactions Wait until all current transactions complete Flush log to disk

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ICS 214A: Database Management Systems Fall 2002

ICS 214A: Database Management Systems Fall 2002. Lecture 18: Redo/Undo Logging and Media Failure Professor Chen Li. Motivation. Undo logging: cannot bring backup DB copies up to date Redo logging: need to keep all modified blocks in memory until commit Solution: undo/redo logging

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