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Question
1 Explain the functions of the following
2 Discuss about system catalog in a relational DBMS
3 Explain Embedding SQL Statements
4 Explain what are Anomalies in a Database
5 Explain Project and set operations?
6 What are the reasons for Object-relational impedance mismatch?
7 Write a note on SUBSET Mapping
What is a recovery scheme? An integral part of a database system is a recovery scheme that can restore the database to the reliable state that existed before the failure.
under what condition log based recovery is feasible?
What is key ? Key - A single attribute or a combination of two or more attributes of an entity set which is used to recognize one or more instances (rows) of the set (table) is
What is object containment? References among objects can be used to model dissimilar real-world concepts.
What do you understand by a view? What does WITH CHECK OPTION clause for a view do? - A view is a virtual table which comprises fields from one or more real tables. - It is
what is correlation in nested query
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
Design a gennalization and specialization hierarchy for an automobile sales company
discuss the array implementation of a stack.
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