3. The method recited in claim 1 , wherein the one row comprises a null value for the inner table, and wherein the second predicate is not null-rejecting.
3. The method recited in claim 1 , wherein the one row comprises a null value for the inner table, and wherein the second predicate is not null-rejecting. 8. The method recited in claim 3 , wherein the having clause comprises a third predicate that is conjunctive with the second predicate, wherein the third predicate comprises a FALSE value when the null value results from a non-correlated row between the inner table and the outer table.