> I'm wondering whether this has something to do with the following words of
> wisdom in the reference manual:
> "For tables that changes a lot you should try to avoid all VARCHAR or BLOB
> columns. You will get dynamic row length as soon as you are using a single
> VARCHAR or BLOB columns."
>
>
Hi Phil,
I suspect you have already answered your own question!
Warning: high ignorance factor - am currently researching indexes for myself - if I
can't figure it out for myself, you
can help me with that later...
When the SELECT can, it will answer a query from a scan-of/data-retrieval-from th
> >>So, is it *really* the variable length row lookup that's taking all the
time
> here ?<<
>
> I don't see how. 18000 record is nothing and varchar searches are pretty
fast.
> On top of that, you first search is on the date which would be extremelly
> fast and narrow the next searches to many le
>>So, is it *really* the variable length row lookup that's taking all the time
here ?<<
I don't see how. 18000 record is nothing and varchar searches are pretty fast.
On top of that, you first search is on the date which would be extremelly
fast and narrow the next searches to many less records.