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I guess there must be an auto reindex every time a delete takes place. If there are too many deletes for many tables resulting in many records deleted, reindexing will also be time consuming.

Is there any way way to avoid reindexing when deleting records (for it done later in a batch mode)?

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There is no auto-reindex after deletes (on any of the mainstream RDBMS's).

Statistics are updated (provided they are not turned off).

Re-indexing is typically a long operation, carried out during maintenance window.

于 2010-03-05T06:52:17.910 に答える