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From: Bricklen Anderson <BAnderson@PresiNET.com>
To: Dawn Buie <dawn@squeegeemedia.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: how to do a find and replace
Date: Thu, 17 Nov 2005 15:55:14 -0800
Message-ID: <437D1862.2060402@PresiNET.com> (raw)
In-Reply-To: <5d001d303f001ea0847254c3f0a352d9@squeegeemedia.com>
References: <1132269492.30942.20.camel@dev11dt.corp.localmatters.com>
	<5d001d303f001ea0847254c3f0a352d9@squeegeemedia.com>

Dawn Buie wrote:
> Hello-
> I'm using postgres 7.4
> 
> I have a column of data with the wrong prefix for many items.
> 
> The wrong entries are entered ' /0/v.myimage.jpg'
> While the correct ones are ' /0/myimage.jpg'
> 
> 
> I need to remove all the 'v.' characters from this column.
> 
> 
> I'm able to do a
> 
> SELECT * FROM myTable
> WHERE location = '%/0/v.%'
> 
> 
> I'm just confused about how I should write code to update the selected
> items to remove the 'v.'
> 
> Would I use substring? An example would be much appreciated.
> 
> thank you
> Dawn

How about update myTable set location=replace(location,'v.','');

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