"The concept of transaction provides a mechanism for describing logical units of database processing. Transaction processing systems are systems with large databases ad hundreds concurrent users executing database transactions. Examples of such systems include airline reservations, banking, credit card processing, stock markets, supermarket and so on. These systems require high availability and fast response time for hundreds of concurrent users".
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Source: Fundamentals of Database Systems by Elmasri and Navathe
Wednesday, March 2, 2011
Thursday, February 10, 2011
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