I did certain research through internet to find and reason out the difference between SAP BODQ match merge and SAP MDM match merge.
However, not able to find a proper reason.
I strongly believe that SAP BODQ Match-Merge is much better than SAP MDM Match-Merge but not able to categories the advantages and disadvantages
Below are some of the links I used for reference -
http://www.mdmgeek.com/2011/12/20/combat-of-duplicate-data-who-is-the-survivor/
The question why SAP BODQ match-merge better than SAP MDM.