What about my second question ?
"I'd like further develop above model, e.g.: to search for rows with
different of given column, in above exampel it will be:

row D: 1 0 0
row E: 0 0 0"



That is only same for two column entries and the third is immaterial?


I don't understand ?? I'd like find the rows with only one different
concrete attribute (for 3 attribute)