28. The system of claim 25 , wherein the improved query includes a reference to a denormalized table, wherein the denormalized table comprises data accessible by the tenant.
28. The system of claim 25 , wherein the improved query includes a reference to a denormalized table, wherein the denormalized table comprises data accessible by the tenant. 30. The system of claim 28 , wherein the denormalized table comprises at least one index on a custom data field associated with the tenant.