An Overview of Transaction Processing Systems. Transaction Processing Systems (Operational level). A transaction is any business-related exchange e.g. payments to employees, sales to customers, payments to suppliers.
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Batch processing – processing of business transactions are accumulated over a period of time and prepared for processing later as a single unit. Some time delay between the occurrence of transaction and the actual processing of the transactions.
Previous slide has some e.g. of batch processing.
On-line transaction processing (OLTP) - processing of each transaction is done immediately and the affected records are updated.