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  • [bbk4793] 第36集 第四章 Flashback Database 00

    Objectives

    After completing this lesson,you should be be able to :

    • Describe and use Oracle Total Recall
      • Creating and enabling a Flashback Data Archive(FDA)
      • Manageing FDAs
      • Viewing metadata
    • Describe and use flashback recycle bins
      • Restore dropped tables from the recycle bin
      • Manage space usage in the recycle bin
      • Query the recycle bin

    Oracle Total Recall Overview

    Automated tracking of historical database changes:

    • Enable at the table level with your specified retention period.
    • All subsequent changes are transparently stored and tamper proof.
    • Records older than retention period are automatically removed.
    • Use Flashback technologies to retrieve history.
    SELECT ... AS OF TIMESTAMP
    
    SELECT ... VERSIONS BETWEEN TIMESTAMP and TIMESTAMP

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    就决定是你了!
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  • 原文地址:https://www.cnblogs.com/arcer/p/3085105.html
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