Titlebook: Expert Oracle Database Architecture; Thomas Kyte,Darl Kuhn Book 20143rd edition Thomas Kyte and Darl Kuhn 2014

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Redo and Undo,nd archived) redo log files in order to “replay” your transaction in the event of a failure. . is the information Oracle records in the undo segments in order to reverse, or roll back, your transaction.

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Indexes,es, and deletes) will suffer. Too few indexes and the performance of DML (including select, inserts, updates, and deletes) will suffer. Finding the right mix is critical to your application’s performance.

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