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What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
An entity type usually has an attribute whose values are distinct for every individual entity in the collection. Such an attribute is known as a key attribute and its values can be
DISADVANTAGES OF RDBMS
Explain the ISA relationship Answer: ISA relationship - ISA notation is employed in generalization/ specialization to depict relationship among lower and higer level entity s
what is difference between circular inked lust and grunded linked list
Homework chapter 10 no 3
Describe analysis of access paths To describe analysis of access paths, consider an example of the design of a company's employee skills database. A part of the object model fr
State the Object Design for Processing The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as i
Unrepeatable reads : Assume T7 reads X twice during its implementation. If it did not update X itself it could be very disturbing to see a dissimilar value of X in its next read. B
What is deadlock? How can it be avoided? How can it be resolved once it occurs? Deadlock happens when two transactions are each waiting on a resource that the other transaction
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