1. In a computer system having a database under control of a database management system which supports a traditional datatype and a nontraditional datatype, said database including a table with rows and columns, cells being defined by intersections of said rows and said columns, one of said rows having respective cells each with one of said traditional datatype and said nontraditional datatype, a data access method for an applications program to access a respective data value of each of said respective cells of said one of said rows, said method comprising: providing to said applications program an entity object representing said one of said rows; for each of said respective cells that has said traditional datatype, said entity object providing said respective data value; and for each of said respective cells that has said nontraditional datatype, providing to said entity object a corresponding extended data object which represents said each respective cell, said corresponding extended data object providing said respective data value.