1.  Connectivity Function :-  mysql_connect ()  mysql_select_db ()  mysql_query ()  mysql_nam_rows ()  mysql_fetch_row ()  mysql_affected_rows ()  mysql_fetch_array ()  mysql_num ()

2. syntax :- mysql_connect (servername, username, password) Example :- <?php $con=mysql_connect(‘localhost’,’root’,””); or die (mysql_error () ); echo “connection is Successfully : “; ?>

3. syntax :- Boolean Mysql_select_db(string database name, resource handler ) Example :- <?php $con=mysql_connect(‘localhost’,’root’,””); or die (mysql_error () ); Mysql_select_db(‘B.C.A.’, $con); echo “Open a Database : “; ?>

4. syntax :- Mysql_query(string query ) Example :- <?php $con=mysql_connect(‘localhost’,’root’,””); If( !$con ) { die (‘could not connect :‘.mysql_error () ); } mysql_select_db(‘test’, $con); $result=mysql_query(“select * FROM info “);

5. While ( $row=mysql_fetch_array ($result) ) { echo $row[‘first name’].” “.$row[‘last name’]; echo “ ”; } mysql_close($con); ?>

6. syntax :- Mysql_num_rows(resource handler) Example :- <?php $con=mysql_connect(‘localhost’,’root’,””); mysql_select_db(“college”, $con); $data=mysql_query(“select *from student“); $n=mysql_num_rows($data); Echo $n; ?>