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Determine the Objectives of object oriented design
how to operate database in access ?
It defines that no primary key value can be null. This is as the primary key is used to recognize individual tuple in the relation. So we will not be able to recognize the records
What is meant by log-based recovery? The most widely used structures for recording database changes is the log. The log is a sequence of log records, recording all the update a
Need 2 projects completed in 3NF format.
The JOIN operation is applied on two relations. When we want to choose related tuples from two given relation join is used. The join operation need that both the joined relations m
growing phase and shrinking phase are disjoint, why ?
What are the various states through which a transaction passes through in its lifetime? Briefly discuss all the events that causes transition from one state to another. Ans:
What is a database graph? The partial ordering implies that the set D may now be viewed as a directed acyclic graph, known as a database graph.
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
What are the requirements to ensure the objectives of file management principle is realized?
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