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Re: EMPTYING A DATABASE

From: "Greg Sabino Mullane" <greg(at)turnstep(dot)com>
To: pgsql-novice(at)postgresql(dot)org
Subject: Re: EMPTYING A DATABASE
Date: 2010-04-29 16:17:44
Message-ID: 9cda64505220d8e81b7096e795ae3b57@biglumber.com (view raw or flat)
Thread:
Lists: pgsql-novice
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> I am developing a project in which, of course, information is fed to the DB
> for testing purposes and sometimes I need to get the DB clean, without any
> record.
> What would be the best practice to delete all of the records and start
> testing with a blank DB?

Your best bet is to recreate the database. Start with an database that has all 
the tables already emptied out, then make a copy of it. Then drop and 
recreate your database at will using the copy as a template. So, if your 
datbase was named "alpha", you would do (one time only):

(truncate all tables, get the alpha database in a clean state)
CREATE DATABASE alpha_template TEMPLATE alpha;

Then, every time you want to create a clean copy, do:

DROP DATABASE alpha;
CREATE DATABASE alpha TEMPLATE alpha_template;

- -- 
Greg Sabino Mullane greg(at)turnstep(dot)com
End Point Corporation http://www.endpoint.com/
PGP Key: 0x14964AC8 201004291214
http://biglumber.com/x/web?pk=2529DF6AB8F79407E94445B4BC9B906714964AC8
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