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Database Management Systems, Quiz 1

May 2023 term, 16 Jul 2023, Set QPF2

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Question 1

+2−0Single correct

The lowest level of data abstraction is

Select one option

A.
physical level
B.
logical level
C.
view level
D.
application level

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The lowest level of data abstraction is Suppose a company wants to determine whether the ’price’ of the commodity will be an attribute in the shopping database or not. Which of the following holds good about this? Consider the following scenario:\ The Reserve Bank of India (RBI) has issued guidelines declaring that the Rs. 2000 note will no longer be considered legal tender, starting from a specific date. The RBI wants to update its database to reflect this change and ensure that transactions involving the Rs. 2000 note are flagged as invalid.\ Which DBMS concept would be most relevant for the RBI to update its database and flag transactions involving the Rs. 2000 note as invalid after the specified date?