Real-Time Transaction Processing
Time-constrained transaction management
Real-time transaction processing focuses on (i) enforcing time constraints of transactions, i.e., meet time constraints on invocation and completion, and (ii) ensuring temporal consistency of data, i.e., data should be valid/fresh at the time of usage.
The successful integration of time-cognizant behavior and transaction processing into a database system is generally referred to as a real-time database system (RTDB).
The area of real-time transaction processing has emerged from the need for real-time systems, which often are safety-critical, to handle large amounts of data in a systematic fashion, and the increasing expectation of non-critical applications that have used conventional databases but are now needed to deal with “soft” real-time data applications, e.g., multimedia. Real-time systems have traditionally managed data in an ad hoc manner, i.e., system developers have stored and manipulated data...
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