1. A system comprising: a data warehouse; and a platform independent data warehouse load application operable to run on said system, said load application comprising a sequencing unit configured to utilize timestamp data from incoming data to be stored in said data warehouse and a relational algebra of set operators to identify and sequence net changes between the incoming data and data previously stored within said data warehouse, said load application configured to non-intrusively load the identified and sequenced net changes into said data warehouse.