Article View: chile.comp.programacion
Article #3218Re: contar campos en mysql
From: Rickoj
Date: Thu, 14 Apr 2005 04:52
Date: Thu, 14 Apr 2005 04:52
44 lines
2247 bytes
2247 bytes
En las news:d3kmsk$sj3$1@news1.nivel5.cl, a RobertoCL se le ocurrio tipear:
> Pero mysql_num_rows() es PHP, no se vale ;-P
>> En el cap�tulo anterior (news:d3kkib$rb7$1@news1.nivel5.cl), "+mArkO+"
>> <kitim@porta.com> dijo:
>>
>>> <?php
>>>
>>> $result = mysql_query("SELECT * FROM usuarios");
>>> if (!$result) {
>>> echo 'Could not run query: ' . mysql_error();
>>> exit;
>>> }
>>> /* retorna la cantidad total de campos de la consulta*/
>>> echo mysql_num_fields($result);
>>>>
>>>
>>
>> En ese caso, sugiero:
>>> $result = mysql_query("SELECT * FROM usuarios LIMIT 0,1");
>> Para ahorrar espacio...
>>
>> En todo caso, me parece m�s directo (la otra podr�a fallar si no hay
>> registros)
>>
>> <?php
>>
>> // conectar...
>>
>> $result = mysql_query("DESCRIBE usuarios");
>> if (!$result) {
>> echo 'Could not run query: ' . mysql_error();
>> exit;
>> }
>> /* retorna la cantidad total de campos de la consulta*/
>> echo mysql_num_rows($result);
>>>
>>
>>
>> --
>> Jose M. Santiba�ez A.
>> <jms@nivel5.cl>
>> <http://caos.cl/jms>
grax no me acordaba como era, en todo caso en php y mysql me servian gracias
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X-Google-Thread: 1593cb,446a760b4d2d3ec7 X-Google-Attributes: gid1593cb,public X-Google-Language: SPANISH,ASCII Path: arc1-ca.pugleaf.net!g2news1.google.com!news4.google.com!news.glorb.com!news.kjsl.com!news1.nivel5.cl!not-for-mail From: "Rick_oj" <rick_oj@[sin-esto]tutopia.com> Newsgroups: chile.comp.programacion Subject: Re: contar campos en mysql Date: Thu, 14 Apr 2005 00:52:48 -0400 Organization: Varios Lines: 46 Message-ID: <d3kt37$ufo$1@news1.nivel5.cl> References: <d3kjl9$qv0$1@news1.nivel5.cl> <d3kkib$rb7$1@news1.nivel5.cl> <Xns9637E7DE0F82Ejmsnews@200.27.221.71> <d3kmsk$sj3$1@news1.nivel5.cl> NNTP-Posting-Host: pc-97-201-120-200.cm.vtr.net X-Trace: news1.nivel5.cl 1113454504 31224 200.120.201.97 (14 Apr 2005 04:55:04 GMT) X-Complaints-To: news@news1.nivel5.cl NNTP-Posting-Date: Thu, 14 Apr 2005 04:55:04 +0000 (UTC) X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1478 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1478