Dohvaćanje podataka iz MARCXML zapisa u Kohi zahtjeva MySQL server 5.1 koji se nalazi u backports za debian lenny.

Primjeri XPATH upita:

mysql> SELECT ExtractValue((SELECT marcxml FROM biblioitems WHERE biblionumber=14), '//datafield[@tag="260"]/subfield[@code>="b"]') AS ITEM\G
*************************** 1. row ***************************
ITEM: Z. Šešo, 1978.
1 row in set (0.00 sec)