David, > Or is there perhaps a "RENAME DATABASE" command (I saw RENAME TABLE)
in MySQL 4.1, you will find "ALTER DATABASE": http://www.mysql.com/documentation/mysql/bychapter/manual_News.html#News -4.1.0 Regards, -- Stefan Hinz <[EMAIL PROTECTED]> Geschäftsführer / CEO iConnect GmbH <http://iConnect.de> Heesestr. 6, 12169 Berlin (Germany) Tel: +49 30 7970948-0 Fax: +49 30 7970948-3 ----- Original Message ----- From: "David T-G" <[EMAIL PROTECTED]> To: "mysql users" <[EMAIL PROTECTED]> Sent: Saturday, December 28, 2002 2:15 AM Subject: style question: "drop database" in an install script > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi, all -- > > I'm working up the schema for my application and, as you can imagine, > starting over and reloading numerous times :-) In fact, I intend for the > script to be an install script, run on a new installation of the software > to set things up. > > The script starts out > > drop database if exist dbname ; > create database dbname ; use dbname ; > create table tablename > ( > ... > ) ; > ... > > to set things up and then continues > > insert into tablename (field,field,field) > ( data , data , data ) , > ... > ( data , data , data ) ; > ... > > to set up the predefined things (credit card types and so on). > > To reload the database and try something new, all I have to do is > > mysql -udroot -p < script.sql > > and what was there goes away and is rebuilt fresh. That's mighty > convenient as I'm building up a table's design and trying it out. > > Soooooo... When you experienced folks write software that's meant to be > installed from a script or such, do you lead off with a 'drop database' > command, or is that just too dangerous to put in a script and you make > your users clean up any old installation by hand? This will have to be > run by a root user, so we can figure that this user might have read the > docs and know that he's going to start [over] from scratch, but then, > again, users are users :-) > > Meanwhile, is there if/then/else functionailty in SQL so that I can say > > if exist dbname exit "some error" ; > create database dbname ; > ... > > and not try to create and populate a database on top of an existing one? > Or is there perhaps a "RENAME DATABASE" command (I saw RENAME TABLE) so > that I could rename the old one to get it out of the way but not toss it? > > > TIA & HAND > > mysql query, > :-D > - -- > David T-G * There is too much animal courage in > (play) [EMAIL PROTECTED] * society and not sufficient moral courage. > (work) [EMAIL PROTECTED] -- Mary Baker Eddy, "Science and Health" > http://www.justpickone.org/davidtg/ Shpx gur Pbzzhavpngvbaf Qrprapl Npg! > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.0.7 (FreeBSD) > > iD8DBQE+DPsqGb7uCXufRwARAsp8AKC7BuVdyO7Dl5fkbvEM51o+i/BAEgCeI5iI > dI7HQb5oywLHuZIjLxXYZwY= > =QTHL > -----END PGP SIGNATURE----- > > --------------------------------------------------------------------- > Before posting, please check: > http://www.mysql.com/manual.php (the manual) > http://lists.mysql.com/ (the list archive) > > To request this thread, e-mail <[EMAIL PROTECTED]> > To unsubscribe, e-mail <[EMAIL PROTECTED]> > Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php > --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
