一般而言在合併2個web軟體時,常見的問題是如何共用db,共用可以SSO(Single Sign On),但複雜度較高;一般處理方法,先可以同時選取2個db;那麼如何使用呢?
$dbh1 = mysql_connect($hostname, $username, $password);
$dbh2 = mysql_connect($hostname, $username, $password, true);
mysql_select_db('database1', $dbh1);
mysql_select_db('database2', $dbh2);
Then to query database 1, do
mysql_query('select * from tablename', $dbh1);
and for database 2
mysql_query('select * from tablename', $dbh2);
參考:http://stackoverflow.com/questions/274892/how-do-you-connect-to-multiple-mysql-databases-on-a-single-webpage



