MODERN DATABASE MANAGEMENT ACTUAL EXAM PAPER 2026 COMPLETE QUESTIONS SOLUTIONS GRADED A+

MODERN DATABASE MANAGEMENT ACTUAL
EXAM PAPER 2026 COMPLETE QUESTIONS
SOLUTIONS GRADED A+


◉ A key decision in the physical design process is:
Answer: selecting structures.


◉ Designing physical files requires ________ of where and when data
are used in various ways.
Answer: descriptions


◉ The storage format for each attribute from the logical data model
is chosen to maximize ________ and minimize storage space.
Answer: data integrity


◉ Database access frequencies are estimated from:
Answer: transaction volumes.


◉ A detailed coding scheme recognized by system software for
representing organizational data is called a(n):
Answer: data type.

, ◉ All of the following are objectives when selecting a data type
EXCEPT:
A) represent all possible values.
B) improve data integrity.
C) support all data manipulations.
D) use a lot of storage space
Answer: use a lot of storage space.


◉ All of the following are valid datatypes in Oracle 11g EXCEPT:
A) varchar2.
B) boolean.
C) blob.
D) number.
Answer: boolean.


◉ The smallest unit of application data recognized by system
software is a:
Answer: field.


◉ Which of the following is an objective of selecting a data type?
A) Represent a small number of possible values