The phrases "point of sale" and "transaction processing system" represent two different, yet closely related concepts having to do with the sales function. Each term represents a distinct and vital ...

A credit card authorization key is a secure code used to process transactions, confirming purchases and preventing fraud ...

Yin and yang, life and death, Clark Kent and Superman. Some concepts are so intertwined that it’s impossible to imagine one without the other. Transaction processing (TP) and relational databases ...

A business transaction is an event involving an interchange of goods, money or services between two or more parties. The transaction can be as brief as a cash purchase or as long-lasting as a service ...

Lucas Downey is the co-founder of MAPsignals.com, and an Investopedia Academy instructor. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market ...