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What is substitutability? Any method of a class-say A can equally well be adjured with any object belonging to any subclasses B of A. This characteristic leads to code reuse, a
exercise solution
what is Nested relational model? Explain with examples.
A use case diagram giving a pictorial overview of user requirements and brief use case descriptions. As the case study contains only an outline of a business scenario, you will als
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
Deletion Anomalies: Loss of important Information: In some cases, useful information may be lost when a tuple is deleted. For instance, if we delete the tuple corresponding to stu
Question 1 Discuss the classification of DBMS based on location of database Question 2 Explain with examples different SQL commands used for creating and deleting relations.
Give some encryption techniques? A) DES B) AES C) Public key encryption
what is the relationship between receipt and owner entities in computer sales and service company
What is the meaning of Data Independence ?
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