Automatic Update Of A Shadow Catalog Database Based On Transactions Made Using A Catalog Database

摘要

A computerized apparatus, a computer program product and a method performed by a computing device in a computerized environment, which comprises a purchase transaction processor utilizing an item catalog database. The computing device maintaining a shadow catalog database. The method comprises: in response to a transaction made by the purchase transaction processor, obtaining, by the computing device, a transaction record, wherein the transaction record comprising for each item in the transaction, an entry, wherein the entry comprising a name of the item and a transaction price of the item, wherein the entry is based on the item catalog database; and updating, based on the transaction record, the shadow catalog database, whereby the shadow catalog database is updated automatically based on transactions and without having a direct interface between the item catalog database and the shadow catalog database.