| Chapter 19 An Overview of Real-Time Database Systems 1 (2008) | |||||||||||||||
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| A real-time database system provides database features such as data independence and concurrency control, while at the same time enforcing real-time constraints that applications may have. In this chapter we giveanoverview of the problems that arise in designing a real-time database system, and discuss some of the possible solutions. The topics covered include the choice of transaction model, the speci cation of real-time constraints, processor scheduling, concurrency control, I/O scheduling, and memory management. Traditionally, real-time systems manage their data (e.g., chamber temperature, aircraft locations) in application-dependent structures. As real-time systems evolve, their applications become more complex and require access to more data. It thus becomes necessary to manage the data in a systematic and organized fashion. | |||||||||||||||
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