SimpleDB is MySQLi wrapper to handle common database queries and operations.
Include file:
<?php
require("mysqlidb.php");
//...Connect to database:
db_connect("localhost","user","pass","student");Get records example:
$q = db_query("select * from students");
while ($d = db_fetch($q)) {
    print "$d->id, $d->name <br />";
}Insert example:
$a = array();
$a['name'] = db_filter($_POST["name"]);
$a['age']  = db_filter($_POST["age"]);
db_insert("student", $a);Update example:
$a = array();
$a['name'] = "John Doe";
$a['age']  = 21;
db_update("student", $a, "id=10");Delete example:
db_delete("student", "id=5");Get last insert id:
//...
db_insert("student", $a);
$last_id = db_last_id();