Re: [SQL] Design Question
От | Andy Lewis |
---|---|
Тема | Re: [SQL] Design Question |
Дата | |
Msg-id | Pine.LNX.4.05.9911271249020.8318-100000@rns.roundnoon.com обсуждение исходный текст |
Ответ на | Re: [SQL] Design Question (Rich Shepard <rshepard@appl-ecosys.com>) |
Список | pgsql-sql |
Thanks, will do.... On Sat, 27 Nov 1999, Rich Shepard wrote: > On Sat, 27 Nov 1999, Andy Lewis wrote: > > > Lets say that I have a DB that I am using to save address info on > > different brokers. Broker name, address, city, state, zip > > > > Some brokers have representation in different states. > > > > How would I be able to save that info so that it can be later selected by > > users looking for a broker in a certain state(s)? > > > > What type of field/table/DB could I save that in for easy reference? > > Andy, > > I suggest that you buy (or borrow from a library) a book on relational > data base design. To give you the simple answer to your question: have one > table for the broker's name and identification and a separate table for > their addresses. It's called a many-to-one structure and is created by > normalizing the data. > > Rich > > Dr. Richard B. Shepard, President > > Applied Ecosystem Services, Inc. (TM) > Making environmentally-responsible mining happen. (SM) > -------------------------------- > 2404 SW 22nd Street | Troutdale, OR 97060-1247 | U.S.A. > + 1 503-667-4517 (voice) | + 1 503-667-8863 (fax) | rshepard@appl-ecosys.com >
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