Transaction

When a user is interacting directly with the application. Each time the user enters information or requests information is considered to be a transaction. Most types of self service are examples of OLTP, like bank ATM’s and enrolling in your benefits online.

An encrypted digital record of transactions. The name comes from its structure, in which individual records, called blocks, are linked together in single list (or chain) using cryptography. Information held on a blockchain exists as a shared and continually reconciled database. Each block is protected with a timestamp and transaction date and link to the previous block.A decentralized and distributed ledger technology that securely records and verifies transactions across multiple computers or nodes, providing transparency, immutability, and trust.

Software that 1) focuses on information aimed at middle managers; 2) integrates transaction processing data by business function such as sales, finance and human resources and 3) provides reporting of summarized data.

The immediate availability of data to an information system as a transaction or event occurs.