Subject | Re: [firebird-support] Re: Performance when deleting a lot of records |
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Author | Dimitry Sibiryakov |
Post date | 2005-03-29T12:33:50Z |
On 29 Mar 2005 at 9:24, Christian Kaufmann wrote:
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SY, Dimitry Sibiryakov.
>> Make your indices as unique as possible. You may add a PK field toI don't think so. It looks like almost perfect selectivity.
>> of index fields.
>
>I have duplicates in some indexes. Mostly there are 2-10 records with
>the same key. Should I add a field to make the key unique in that
>case?
>Index depth is 3, my page size is 4096. I read somewhere, thatBackup and restore.
>increasing the page size helps with performance. How can I change the
>page size of my database?
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SY, Dimitry Sibiryakov.