Re: Perhaps a stupid question about KEY...

2001-07-07 Thread Tonu Samuel
Jeremy Zawodny wrote: > On Sat, Jul 07, 2001 at 07:22:19AM -0700, Ken Sommers wrote: > >> Does it make any sense to create an index on the primary key? > > Primary Keys are automatically indexed. In fact, you might say that a > primary key is just a special type of index (it is). There are som

Re: Perhaps a stupid question about KEY...

2001-07-07 Thread Jeremy Zawodny
On Sat, Jul 07, 2001 at 07:22:19AM -0700, Ken Sommers wrote: > > Does it make any sense to create an index on the primary key? Primary Keys are automatically indexed. In fact, you might say that a primary key is just a special type of index (it is). Jeremy -- Jeremy D. Zawodny, <[EMAIL PROTECTE

Re: Perhaps a stupid question about KEY...

2001-07-07 Thread Ken Sommers
HI, Does it make any sense to create an index on the primary key? Ken - Original Message - From: "Paul DuBois" <[EMAIL PROTECTED]> To: "Fournier Jocelyn [Presence-PC]" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Friday, July 06, 2001 3:49 PM

Re: Perhaps a stupid question about KEY...

2001-07-06 Thread Paul DuBois
At 12:14 AM +0200 7/7/01, Fournier Jocelyn [Presence-PC] wrote: >Hi, > >Is there any structural difference between a PRIMARY KEY and a UNIQUE key ? > >Thanks ;) > >Jocelyn Fournier >Presence-PC >www.presence-pc.com They're mostly the same, with these differences: There can only be one PRIMARY KE