1. A system comprising: a data warehouse; and a computer executing a platform independent data warehouse load application, 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 and normalize the identified and sequenced net changes with respect to a primary key within a table and a time period that varies with sequences of rows within the primary key, said load application configured to non-intrusively load the identified and sequenced net changes into said data warehouse, wherein to identify and sequence net changes between the incoming data and data previously stored within said data warehouse, said load application is configured to analyze a set of incoming data with respect to itself and existing data within said data warehouse.