Post the table, the query, and the explain output, and then we can help you.

On Feb 19, 2008 7:38 PM, hewei <[EMAIL PROTECTED]> wrote:
> Hi,Every body;
>    I have a table contains 100,000 rows, and has a primary key(int).
>   Now ,I need to execute sql command like "update .......... where id=*"(id
> is primary key).
>   I expect execute 1200-1600 sqlcommands per second(1200-1600/s).
>    In test,when the id increase by degrees in sqlcommands, then I can reach
> the speed(1600/s);
>   But in fact , the id  in sqlcommands  is out of rule, then the speed is
> very slow, just 100/s.
>   what can i do? can you help me ?
>

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