MySQL in a Nutshell

Name

mysql_select_db( )

Synopsis

mysql_select_db(database[, connection])

This sets the database to be used by the current MySQL connection, but you also can use it to set the database for another connection by supplying it as a second argument. The function returns true if it’s successful; it returns false if it’s unsuccessful.

...
$connection = mysql_connect('localhost','tina','muller');
mysql_select_db('workrequests', $connection);
...