[SQL] help

[Nicholas I]

Hi,

I have a table in which the data's are entered like,

Example:

One (1)
Two (2)
Three (3)

I want to extract the data which is only within the parentheses.

that is
1
2
3


Thank You
Nicholas I

Re: [SQL] help

[Filip Rembiałkowski]

select substring( data from '\((.*)\)' ) from table;


2010/5/5 Nicholas I :
> Hi,
>
> I have a table in which the data's are entered like,
>
> Example:
>
> One (1)
> Two (2)
> Three (3)
>
> I want to extract the data which is only within the parentheses.
>
> that is
> 1
> 2
> 3
>
>
> Thank You
> Nicholas I
>
>



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Filip Rembiałkowski
JID,mailto:filip.rembialkow...@gmail.com
http://filip.rembialkowski.net/

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[SQL] Celko take on EAV

[Richard Broersma]

I'm rereading my Joe Celko's SQL Programming Style and I noticed an
interesting comment regarding the EAV model (of course he discourages
its use):

"There are better tools for collecting free-from data."

What tools was he referring to?

-- 
Regards,
Richard Broersma Jr.

Visit the Los Angeles PostgreSQL Users Group (LAPUG)
http://pugs.postgresql.org/lapug

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Re: [SQL] Celko take on EAV

[Justin Graf]

On 5/7/2010 12:33 PM, Richard Broersma wrote:
> 
>
> I'm rereading my Joe Celko's SQL Programming Style and I noticed an
> interesting comment regarding the EAV model (of course he discourages
> its use):
>
> "There are better tools for collecting free-from data."
>
> What tools was he referring to?
>

http://en.wikipedia.org/wiki/Entity-attribute-value_model
has notes on other models.

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