A transaction may refer to any of the following:
Transaction is a trade or interaction between two or more people. For example, a transaction can be the act of buying and selling, transferring funds, or performing a service.
Transaction is a programming term for a set of instructions that satisfies the conditions of the ACID (atomic, consistent, isolated, and durable) property test. For databases, transactions are used to ensure data integrity. For example, if an update requires all SQL statements to complete and any one of them fails, the entire update can be rolled back.
Database terms, Programming terms