23. The system according to claim 22 , wherein the database stores a value reference table having a reference value associated with an object represented by a subset of one or more data fields of a first record.
23. The system according to claim 22 , wherein the database stores a value reference table having a reference value associated with an object represented by a subset of one or more data fields of a first record. 25. The system according to claim 23 , wherein the compression processor is configured to update the reference value stored in the second record according to an updated object stored in the first record.