DROP INDEX - Example - Oracle - Oracle - Toad World

DROP INDEX - Example - Oracle - Oracle - Toad World

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日期:2024-07-14
Oracle indexes suffer from what we term "browning". As tables undergo updates, deletes and insertions, the leafnodes of the indexes associated with the dropped and updated rows can be emptied and not refilled. We call these empty leafnodes "browned" leafn...看更多