Subject: Re: why my sounex does not work?
To: pgsql-admin@postgresql.org
References: <5785f0c0.439f.15689ccd88d.Coremail.taizi2006blog@163.com>
Cc: taizi <taizi2006blog@163.com>
From: =?UTF-8?B?T25kxZllaiBTdsSbdGzDrWs=?= <osvetlik@flexibee.eu>
Message-ID: <891b3244-146b-514b-d19f-3ce6fe8940f3@flexibee.eu>
Date: Sun, 14 Aug 2016 21:23:02 +0200
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Dne 14.8.2016 v 18:05 taizi napsal(a):
> Hi Everybody,
> this is my first time to ask question on mail list about question of DB.
> i JUST start to read a book from ben forta, which sql in 10.
> The quetion is while i type as scrip in books on following:
> SELECT CUST_NAME, CUST_CONTACT
> FROM CUSTOMERS
> WHERE SOUNDEX(CUST_CONTACT) =SOUNDEX(' MICHAEL GREEN');
> The result is not same as shown in book.
> My psql remind me that      sound(character) does not exist.
> how can i deal with it? My psql version is 9.5
> your sincerely
> edison
>
>
>
>

Ho Edison,

do you have postgresql-contrib installed? Did you create the extension?

CREATE EXTENSION fuzzystrmatch;

Regards

Ondřej


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