Limits were reached on the amount of sortwork space allocated for flat files and DB2. Disk space requirements were large and several packs had to be added to meet the need. The current data warehouse is approximately thirty-five gigabytes compressed in size. Due to data redundancy, which is normal in data warehousing, it is estimated the first two combined tables will add an additional thirty gigabytes. The requirements of a data warehousing operating environment differ from the current State operating environment.
Data warehousing can require extensive processing time.
Data warehousing can require large amounts of storage and work space .