On Tue, May 20, 2008 at 11:20 AM, Bof <[EMAIL PROTECTED]> wrote:
> Hi all -
> Is there a good workaround for mysql's lack of 'DESC'
> functionality when creating an index?
>
> I'm looking at migrating an Oracle RAC database to
> mysql (InnoDB or Cluster - testing both at the
> moment), and the Orac
yes, you'd have to alter the queries to use the new index. As I say it's
very application dependent and does not always apply, but you can normally
shoehorn any application to use it.
Phil
On Wed, May 21, 2008 at 9:22 AM, Bof <[EMAIL PROTECTED]> wrote:
> Hi Phil -
>
> Thanks for the suggestion.
Hi Phil -
Thanks for the suggestion. Might that involve possibly
changing queries in the web application hitting the
database so that it uses the new column, or would the
indexing on the new column take care of speeding up
the existing queries?
cheers
Iain
--
--- Phil <[EMAIL PROTECTED]> wrote:
What I've done in the past is to create extra columns which contain the
reverse of a number/date used previously in an index.
So, for instance if it's a simple INT column (A) and you know the max would
be 999 for example, create an extra column and populate that with
(1000 - A) and use it
Hi all -
Is there a good workaround for mysql's lack of 'DESC'
functionality when creating an index?
I'm looking at migrating an Oracle RAC database to
mysql (InnoDB or Cluster - testing both at the
moment), and the Oracle database uses a lot of
multi-column indexes with some colums indexed in
d