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Design an EER schema for the following application and translate the EER schema into relational schemas (and constraints). It is possible that some requirements cannot be captured
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
Need for Multiple Access Paths In practice, most of the online information systems need the support of multi-key files. For example, consider a banking database application hav
Explain Thomas' Write rule. Show how it is different from timestamp ordering protol Ans: In timestamp-based concurrency control the thomas Write rule is a rule. Given a Timest
Concurrency issues Data integrity: Threads accessing same object need to be synchronized, such as: banking account. Deadlock: One or more threads in system are perman
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
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properties of derirable decomposition
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