Re: [GENERAL] LIKE (SQL operator)

Brett W. McCoy <bmccoy@lan2wan.com>

From: "Brett W. McCoy" <bmccoy@lan2wan.com>
To: Joao Paulo Felix <felix@cyclades.com>
Cc: "pgsql-general@postgreSQL.org" <pgsql-general@postgreSQL.org>
Date: 1998-06-29T14:27:12Z
Lists: pgsql-general
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/
-----------------------------------------------------------------------
"The number of UNIX installations has grown to 10, with more expected."
   -- The UNIX Programmer's Manual, 2nd Edition, June, 1972