Simple birthday script using php and mysql

mysql> CREATE TABLE bday_table (
    ->     Personid int NOT NULL AUTO_INCREMENT,
    ->     Name varchar(255) NOT NULL,
    ->     email varchar(255) NOT NULL,
    ->     bday_check DATE NOT NULL,
    ->     PRIMARY KEY (Personid)
    -> );
Query OK, 0 rows affected (0.01 sec)

mysql> INSERT INTO bday_table (Name,email,bday_check) VALUES ('Alan','alan@something','2003-07-21');
Query OK, 1 row affected (0.01 sec)

mysql> INSERT INTO bday_table (Name,email,bday_check) VALUES ('Scott','scot@something','2001-08-14');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO bday_table (Name,email,bday_check) VALUES ('Jen','jen@something','2000-12-29');
Query OK, 1 row affected (0.01 sec)

mysql>  INSERT INTO bday_table (Name,email,bday_check) VALUES ('Mack','mack@something','1997-12-29');
Query OK, 1 row affected (0.00 sec)

mysql> select * from bday_table;
+----------+-------+----------------+------------+
| Personid | Name  | email          | bday_check |
+----------+-------+----------------+------------+
|        1 | Alan  | alan@something | 2003-07-21 |
|        2 | Scott | scot@something | 2001-08-14 |
|        3 | Jen   | jen@something  | 2000-12-29 |
|        4 | Mack  | mack@something | 1997-12-29 |
+----------+-------+----------------+------------+
4 rows in set (0.00 sec)
mysql>

<?php
$date = date("m-d");//here my date format in my DB is 12/29, basically it grabs the current date 
$today=date("Y-m-d");
$link = mysqli_connect('localhost','YOUR_USER','YOUR_PASSWORD','bday');
if($link)
{
    $grabBday = "SELECT * FROM bday_table WHERE bday_check LIKE '%-".$date."'";
    //here it will take the name of the person whose bday is on a particular date
    $result = mysqli_query($link,$grabBday);
if (mysqli_num_rows($result) > 0) {
  // output data of each row
  while($row = mysqli_fetch_assoc($result)) {
    echo $row["Name"]."'s Birthday Is Today ".$row["bday_check"]." An email will be sent to ".$row["email"].".<br>";
    mail($row["email"], 'HAPPY BIRTHDAY', 'MESSAGE');
  }
} else {
  echo "0 results";
}

mysqli_close($link);

}  ?>

$grabBday = "SELECT * FROM bday_table WHERE bday_check LIKE '%-".$date."'";

$today=date("Y-m-d");