; > -Original Message-
> > From: Rick James
> > Sent: Wednesday, January 30, 2013 1:08 PM
> > To: 'Jeremy Chase'; mysql@lists.mysql.com
> > Subject: RE: InnoDB interaction between secondary and primary keys.
> >
> > secondarykey and r
ql@lists.mysql.com
> Subject: RE: InnoDB interaction between secondary and primary keys.
>
> secondarykey and redundantkey are redundant with each other -- in all
> versions of InnoDB.
>
> One "expert" said that redundant key would have two copies of `1`,`2`.
> I think h
.com
> Subject: InnoDB interaction between secondary and primary keys.
>
> Hello,
>
> I've been working with a secondary index and would like some
> clarification about how the primary columns are included. So, in the
> following example, is the secondaryKey effective
