My SQL DATABASE : Connectivity Function :-

mysql_connect ()mysql_select_db ()mysql_query ()mysql_nam_rows ()mysql_fetch_row ()mysql_affected_rows ()mysql_fetch_array ()mysql_num ()

Mysql_connect () :syntax :- mysql_connect (servername, username, password)

Example :-<?php

$con=mysql_connect(‘localhost’,’root’,””);or die (mysql_error () );

echo “connection is Successfully : “;?>

Mysql_Select_db () :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 : “;

?>

Mysql_query () :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 “);

While ( $row=mysql_fetch_array ($result) )

{echo $row[‘first name’].” “.

$row[‘last name’];

echo “<br />”;}

mysql_close($con);

?>

Mysql_num_rows () :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;?>