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Re: multi-valued field?

From: õ¸®¾È NEWS GROUP ÀÌ¿ëÀÚ <PPM0836_at_chollian.dacom.co.kr>
Date: 1997/01/15
Message-ID: <5bhc57$475$1@usenet.dacom.co.kr>#1/1

Programming (sysdev_at_mb.sympatico.ca) wrote:
: Kevin is right.
: It's essentially impossible to do a SIMPLE
: query on fields that would have a number of values in
: them. For instance:
 

: Select unique auto_no
: from table_x.

: Just try to figure out a way to select all the
: auto_no if they were placed all beside
: each other. It requires lots of work
: from the hard drives, and the CPU.

: Rodger Lepinsky
: ADP Systems Partnership
: Winnipeg, Manitoba, Canada
 

: >
: > >OWNER
: > >=======
: > >owner_no PK
: > >name
: > >address
: > >etc.
 

: > >AUTOMOBILES
: > >===========
: > >auto_no PK
: > >owner_no FK reference to OWNER
: > >description
: > >license_no
: > >etc.
: > >--
: > >Chuck Hamilton
: > >chuckh_at_dvol.com
 

: > >This message delivered by electronic sled dogs. WOOF!
Received on Wed Jan 15 1997 - 00:00:00 CST

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