$conn = mysqli_connect($host, $user, $pass,$dbname); if(!$conn){ die('Could not connect: '.mysqli_connect_error()); echo 'Connected successfully
'; $id=2; $name="Rahul"; $salary=80000; $sql = "update emp4 set name="$name", salary=$salary where id=$id"; if(mysqli_query($conn, $sql)){ echo "Record updated successfully"; }else{ echo "Could not update record: ". mysqli_error($conn); mysqli_close($conn);