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it can be possible to create any table without primary key
Determine the minimal set of functional dependencies for the following data. This table is part of the OHSU database of extracurricular activities and tracks the DMICE band's co
er diagram on cosmetics.
Process-oriented decompositions Process-oriented decompositions divide complex process, task or function into simpler sub processes until they get simple enough to be deal
Q.1 Briefly discuss the different layers of ANSI SPARC architecture. Ans: The three layers of ANSI SPARC architecture are like this: 1. Internal view is at the lowest leve
management information system based on functional organisation
What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
Difference between Operating System and Database Security Security within the operating system can be executed at various levels ranging from passwords for access to system, t
read-set(T) : Each data items that are read by a transaction T Timestamps : for all transaction T, the start-time and the end time are reserved for all the three phases.
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
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