There are perhaps such times, but I have yet to meet one. with 1NF: - your table space will be smaller - your indexes will work better - your SQL will be easier to write - ease of maintenance Just my 2 Belgian francs Ignatius _________________________ ----- Original Message ----- From: "mayo" <mayo@xxxxxxxxxxxxxxxxxx> To: "php-db" <php-db@xxxxxxxxxxxxx> Sent: Saturday, February 07, 2004 23:45 Subject: RE: FW: db design - which is better > > Thanks, > > There just seems to be times when non-normalized table structures are easier > to work with. A few hundred to a few thousand records, maybe 20 fields, > rarely adding another field. > > I wonder sometimes whether it make sense to put everything in one table > instead of using joins. > > yours, putting-his-foot-in-his-mouth, > > Gil > > > > -----Original Message----- > > From: Ignatius Reilly [mailto:ignatius.reilly@xxxxxxx] > > Sent: Saturday, February 07, 2004 5:33 PM > > To: mayo; php-db > > Subject: Re: FW: db design - which is better > > > > > > Use the second design. SQL 101 / 1st normal form. > > _________________________ > > ----- Original Message ----- > > From: "mayo" <mayo@xxxxxxxxxxxxxxxxxx> > > To: "php-db" <php-db@xxxxxxxxxxxxx> > > Sent: Saturday, February 07, 2004 23:19 > > Subject: FW: db design - which is better > > > > > > > > > > > > > -----Original Message----- > > > From: Gilbert Midonnet [mailto:glm@xxxxxxxxxxxxxx] > > > Sent: Saturday, February 07, 2004 5:09 PM > > > To: php-db > > > Subject: db design - which is better > > > > > > > > > I have a client who has hundreds of articles. Each article can > > be seen by > > > one or more permission groups. > > > > > > I have questions regarding setting up the an article_display table. > > > > > > The easiest table to read and to conceptualize would list the > > articles and > > > use a boolean for each of the permission groups (let's call the PGs for > > this > > > example). > > > > > > (articleNameID refers back to the article table) > > > > > > articleNameID---PG1---PG2---PG3---PG4---PG5 > > > 1001-------------1-----0-----0-----0-----0 > > > 1002-------------1-----1-----0-----0-----0 > > > 1003-------------0-----0-----1-----0-----0 > > > > > > > > > Or should the table set up be: > > > > > > articleNameID--PG > > > 1001------------1 > > > 1002------------1 > > > 1002------------2 > > > 1003------------3 > > > > > > etc... > > > > > > gil > > > > > > -- > > > PHP Database Mailing List (http://www.php.net/) > > > To unsubscribe, visit: http://www.php.net/unsub.php > > > > > > > > > > -- > > PHP Database Mailing List (http://www.php.net/) > > To unsubscribe, visit: http://www.php.net/unsub.php > > > > -- > PHP Database Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
