42. The method of claim 18 , wherein: the first plurality of comparisons and the second plurality of comparisons are the same type of comparison; and for each comparison of the second plurality of comparisons, no terms are inserted into the particular query.
42. The method of claim 18 , wherein: the first plurality of comparisons and the second plurality of comparisons are the same type of comparison; and for each comparison of the second plurality of comparisons, no terms are inserted into the particular query. 46. A volatile or non-volatile machine-readable medium storing one or more sequences of instructions which, when executed by one or more processors, causes the one or more processors to perform the method recited in claim 42 .