[V4RB] speeding up UPDATE statements
Ruslan Zasukhin
sunshine at public.kherson.ua
Thu Jan 23 22:00:13 CST 2003
on 1/23/03 8:03 PM, Wonder Fef at wonderfef at noos.fr wrote:
>>>> 1) myField1 -- is string field and you do replace of string ?
>>>>
>>>> 2) am I right that you do this query for different myID ?
>>>
>>> 1) = YES (field is of type string(256))
>>> 2) = YES (this field is also a string(256))
>>
>> String(256) ???
>>
>> This is not good choice.
>> Use VarChar 256 then.
>
> I used varchar(30) for the Field 'ID', which speeded up a little more my
> UPDATE statements, but this was not enough.
>
> Finally, the workaround was to use a Vcursor.update instead of an UPDATE SQL
> statement... Now my loop runs 100s times faster!
Hmm, so the main overhead bring SQL string building and parsing as I see.
--
Best regards,
Ruslan Zasukhin [ I feel the need...the need for speed ]
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web: http://www.paradigmasoft.com
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