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A set of possible data values is called? A set of possible data values is called as domain.
Problem 1. Describe the Oracle Architecture with a neat labeled diagram, Also explain the individual components of the Architecture. 2. Write about the following Oracle 9i o
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Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
Explain the ACID properties of a transaction Ans: ACID properties are a significant concept for databases. The ACID stands for Atomicity, Consistency, Isolation, and Durability
Some disadvantages of File Oriented System ?
Improved availability: The data in a distributed system may be replicated so that it is at more than one site. Thus, the failure of a node or a communication link does not necessar
Failure Controlling Methods: Failures can be handled using different recovery methods that are talk about later in the unit. But the first question is doing we really require recov
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
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