transaction
  • noun one single action which affects a database, e.g. a sale, a change of address or a new customer
  • Its abbreviation is trans. An event or activity in which something is exchanged between two entities, or which elicits a corresponding action. For example, a command which calls for a processing action, an exchange between a user and an interactive system, a change in a record which updates a master file, or an online or point of sale purchase.

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