Data warehouse analytics and design- Changing Data
Problems in Data Warehousing
Should Backdated Transactions Change Values in the Data Warehouse?
Due to poor operating practices, a company sometimes has to backdate transactions. These transactions are entered a month or more after they actually occurred. The people in accounting argue that the ìhistoricî information should not change. The standard in the data warehouse transformation process is this: if a transaction has a date that is 40 days old, the data warehouse data for that day will change. Should a backdated transaction not change the ìhistoricî information in the data warehouse?
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