Re: [GENERAL] LIKE (SQL operator)

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От
Brett W. McCoy
Тема
Re: [GENERAL] LIKE (SQL operator)
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Msg-id
Pine.LNX.3.96.980629102422.868D-100000@dragosani.lan2wan.com
Ответ на
LIKE (SQL operator) (Joao Paulo Felix)
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LIKE (SQL operator) Joao Paulo Felix <felix@cyclades.com>
Re: [GENERAL] LIKE (SQL operator) The Hermit Hacker <scrappy@hub.org>
Re: [GENERAL] LIKE (SQL operator) "Brett W. McCoy" <bmccoy@lan2wan.com>
On Mon, 29 Jun 1998, Joao Paulo Felix wrote:

> I have a table called "products" which has a field named "item" with
> following data stored:
> 
> "item"
> PR1000
> PR2000
> PR3000
> PRZE10
> Lze100
> Beta 
> Teta
> 
> Does PostgreSQL support the SQL operator "LIKE" . I have unsuccessfully
> trying the following SQL query:
> 
> (SELECT * FROM products WHERE item LIKE '*PR*')
> 
> I would like to select all the rows where the field "item" has the
> substring "PR" inside it.

Yes, you would use it thusly:

SELECT * FROM products WHERE item LIKE '%PR%';

The wildcards are '%' and '_', which function the same as '*' and '?',
respectively.

Brett W. McCoy           
                                        http://www.lan2wan.com/~bmccoy/
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