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    Contents

    Contents

    About the Author

    About the Technical Reviewer

    Acknowledgments

    Introduction

    imagesChapter 1: Getting Started . . .

    Oracle in Processes

    Oracle in Action

    Summary

    imagesChapter 2: Redo and Undo

    Basic Data Change

    The Approach

    An Example

    Debriefing

    Summary of Observations

    ACID

    Redo Simplicity

    Undo Complexity

    Read Consistency

    Rollback

    Summary

    imagesChapter 3: Transactions and Consistency

    Conflict Resolution

    Transactions and Undo

    Start and End of Transaction

    The Transaction Table

    Reviewing the Undo Block

    Data Block Visits and Undo

    Setting the Scene

    The Interested Transaction List

    Concurrent Action

    Commit SCN

    Commit Cleanout

    Delayed Block Cleanout

    Transaction Table Rollback

    LOBs

    Summary

    imagesChapter 4: Locks and Latches

    First Things, First . . .

    Arrays

    Pointers


      

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