43. The computer system of claim 42 wherein the querying the second table queries the child table using the second set of SQL statements to produce the second result set.
43. The computer system of claim 42 wherein the querying the second table queries the child table using the second set of SQL statements to produce the second result set. 44. The computer system of claim 43 wherein the third result set depends on the querying the first table and the querying the second table, the first producing means is configured to query the first table by executing the set of SQL statements against the first table to produce the first result set, and the second producing means is configured to query the second table by executing the second set of SQL statements against the second table to produce the second result set.