4. The method of claim 2, further comprising the step of: generating a binding list of variables from the literals that map to fields in the first and second tables, each entry in the binding list identifying what field in the first and second table may be used to retrieve values for the corresponding variables.
4. The method of claim 2, further comprising the step of: generating a binding list of variables from the literals that map to fields in the first and second tables, each entry in the binding list identifying what field in the first and second table may be used to retrieve values for the corresponding variables. 5. The method of claim 4, further comprising the step of: using each entry in the binding list as a constraint to be satisfied in a WHERE clause.