Class information of 1997 from presnick's database

Warning: mysql_connect(): Unknown MySQL server host '' (0) in /home/presnick/public_html/courses/SI540/Slides/Code/php/db.php3 on line 10

Warning: mysql(): Access denied for user 'presnick'@'localhost' (using password: NO) in /home/presnick/public_html/courses/SI540/Slides/Code/php/db.php3 on line 11

Warning: mysql(): A link to the server could not be established in /home/presnick/public_html/courses/SI540/Slides/Code/php/db.php3 on line 11

Warning: mysql_numrows() expects parameter 1 to be resource, boolean given in /home/presnick/public_html/courses/SI540/Slides/Code/php/db.php3 on line 12
Your Query has returned hits.

Warning: mysql_close(): no MySQL-Link resource supplied in /home/presnick/public_html/courses/SI540/Slides/Code/php/db.php3 on line 23