Transaction Processing Systems. The phrases "point of sale" and "transaction processing system" represent two different, yet closely related concepts having to do with the sales function.

A small business processes transactions that result from day-to-day business operations, such as the creation of paychecks and purchase orders, using a transaction processing system, or TPS.

A while back, Yahoo quietly made the code to Omid, an open source transaction processing system for the Apache HBase Hadoop big data store, available on GitHub. This is the same software the ...