RE: [PHP-DB] # of Records in Table

From: Date: Wed, 23 Jan 2002 22:44:51 +0000
Subject: RE: [PHP-DB] # of Records in Table
Groups: php.db 
Request: Send a blank email to php-db+get-16130@lists.php.net to get a copy of this message
By "last record", do you mean the last was inserted into the database? If so, look to MYSQL's auto_increment and last_insert_id(). > -----Original Message----- > From: DL Neil [mailto:PHPml@DandE.HomeChoice.co.uk] > Sent: Wednesday, January 23, 2002 2:08 PM > To: Zach Curtis > Cc: php-db@lists.php.net > Subject: Re: [PHP-DB] # of Records in Table > > > Zach, > > How can this "last record" be identified? Is there a key field or something > similar? > > Again: We might need to see the table definition to answer this. > > Please advise, > =dn > > > ----- Original Message ----- > From: "Zach Curtis" <zach@populus.com> > To: "DL Neil" <PHPml@DandE.HomeChoice.co.uk> > Sent: 23 January 2002 20:49 > Subject: RE: [PHP-DB] # of Records in Table > > > > The last record should be whatever the last record is in the table. For > > example, if there are 1000 records in the table which COUNT(*) will tell > me, > > how can I get the password for record 1000. The only thing I can do that > > would probably work is two query statements, one selecting COUNT(*) and > the > > other selecting "password". What I don't like about this method is that I > > would have to retrieve all of the passwords into an array, which I would > > assume would be slow on larger tables. Ideally, I thought their would be a > > way to do this operation in one select statement. Any thoughts? > > > > > > Zach > > > > -----Original Message----- > > From: DL Neil [mailto:PHPml@DandE.HomeChoice.co.uk] > > Sent: Wednesday, January 23, 2002 1:11 PM > > To: Zach Curtis; php-db@lists.php.net > > Subject: Re: [PHP-DB] # of Records in Table > > > > > > Zach, > > > > > What syntax can I use to determine how many records are in a MySQL table > > and > > > then retrieve the value of the field "password" for the last record? I > > tried > > > using some combinations of COUNT(*) and LIMIT with no success. > > > > > > SELECT COUNT(*) will answer the first part. What did you try that lacked > > success? > > > > How do you define "last record"? We might need to see the table definition > > to answer this. > > > > Regards, > > =dn > > > > > > > > > > > > > > -- > PHP Database Mailing List (http://www.php.net/) > To unsubscribe, e-mail: php-db-unsubscribe@lists.php.net > For additional commands, e-mail: php-db-help@lists.php.net > To contact the list administrators, e-mail: php-list-admin@lists.php.net > > -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: php-db-unsubscribe@lists.php.net For additional commands, e-mail: php-db-help@lists.php.net To contact the list administrators, e-mail: php-list-admin@lists.php.net

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