Question

Define Online transaction

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Answer 1

Answer:

In Online transaction processing, information systems typically facilitate and manage transaction-oriented applications

Answer 2

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In Online transaction processing (OLTP), information systems typically facilitate and manage transaction-oriented applications.

The term "transaction" can have two different meanings, both of which might apply: in the realm of computers or database transactions it denotes an atomic change of state, whereas in the realm of business or finance, the term typically denotes an exchange of economic entities (as used by, e.g., Transaction Processing Performance Council or commercial transactions.