34. The system of claim 25 , wherein the first index is a standard index and wherein the second index is a custom index.
34. The system of claim 25 , wherein the first index is a standard index and wherein the second index is a custom index. 36. The system of claim 34 , wherein the second number of rows associated with the second index is determined by joining a set of primary keys of the second index with a primary keys index of the common table.