1. A system for use in loading an incoming data set into a temporal data warehouse, said system comprising: a storage device including a temporal data warehouse and an incoming data set; and a processor unit coupled to said storage device and programmed to: divide the incoming data set into a plurality of partitions including a first partition and a second partition, wherein each partition of the plurality of partitions includes a plurality of data records; import the first partition into a pre-load table; import the second partition into the pre-load table; and apply the pre-load table to the temporal data warehouse.