44. The method of claim 37 , wherein the first index column is a standard index stored in the common table and wherein the second index column is a custom index stored in a separate indexed table different than the common table.
44. The method of claim 37 , wherein the first index column is a standard index stored in the common table and wherein the second index column is a custom index stored in a separate indexed table different than the common table. 45. The method of claim 44 , wherein the second number of rows of the second custom index are determined by joining a set of primary keys of the second index with a primary keys index of the common table.