mysql_select_db

mysql_select_db — Select a MySQL database
How to use mysql_select_db consider the below example

Example #1 mysql_select_db() example

<?php


$db_selected = mysql_select_db('users');// if my database is name'users' then I write 'users' in the above function
}?>

Why use mysql_select_db:

we use this to select a database as there will be many databases in the phpmyadmin. so we are specifying that 'users' database should be selected as the function name describes itself

Description

bool mysql_select_db ( string $database_name [, resource $link_identifier = NULL ] )

Sets the current active database on the server that's associated with the specified link identifier. Every subsequent call to mysql_query() will be made on the active database.

Parameters

database_name

The name of the database that is to be selected.

link_identifier

The MySQL connection. If the link identifier is not specified, the last link opened by mysql_connect() is assumed. If no such link is found, it will try to create one as if mysql_connect() was called with no arguments. If no connection is found or established, an E_WARNING level error is generated.

Return Values

Returns TRUE on success or FALSE on failure.