A method 1, wherein the database is a relational database having a number of database fields, {HEAD ~ each} having {TAIL ~ a respective type} 
A method 1 , wherein the database is a relational database having a number of database fields , { HEAD ~ each } having { TAIL ~ a respective type }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL