array(0) {
}
<br />
<b>Warning</b>:  Undefined array key "session_id" in <b>/home/maysyian/public_html/acad276/assignment5b/update.php</b> on line <b>23</b><br />
<br />
<b>Warning</b>:  Undefined array key "session_name" in <b>/home/maysyian/public_html/acad276/assignment5b/update.php</b> on line <b>24</b><br />
<br />
<b>Warning</b>:  Undefined array key "starttime" in <b>/home/maysyian/public_html/acad276/assignment5b/update.php</b> on line <b>25</b><br />
<br />
<b>Warning</b>:  Undefined array key "endtime" in <b>/home/maysyian/public_html/acad276/assignment5b/update.php</b> on line <b>26</b><br />
<br />
<b>Warning</b>:  Undefined array key "location_id" in <b>/home/maysyian/public_html/acad276/assignment5b/update.php</b> on line <b>27</b><br />
<hr>
UPDATE session
SET 
    session_name = '',
    starttime = '',
    endtime = '',
    location_id = 
WHERE session_id = 
<hr><hr>Your SQL:<br> 
UPDATE session
SET 
    session_name = '',
    starttime = '',
    endtime = '',
    location_id = 
WHERE session_id = 
<br><br>SQL Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE session_id =' at line 7<hr>