PPSC FPSC KPPSC BPSC SPSC Lecturer Computer Science Test 47

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There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
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Test Instructions:-
Test NameLecturer Computer Science 
SubjectComputer Science Test 47
Test TypeMCQs
Total Questions25
Total Time20 Minutes
Total Marks100

You have 20 minutes to pass to the quiz.

Lecturer Computer Science Online Test No. 47

1 / 25

Consider a directed line(->) from the relationship set advisor to both entity sets instructor and student. This indicates ................... cardinality:

2 / 25

Which of the following gives a logical structure of the database graphically?

3 / 25

Establishing limits on allowable property values, and specifying a set of acceptable predefined options that can be assigned to a property are examples of:

4 / 25

Which of the following can be addressed by enforcing a referential integrity constraint?

5 / 25

Identify the composite attributes:

6 / 25

If an attribute of a composite key is dependent on an attribute of the other composite key, a normalization called _____ is needed.

7 / 25

An entity set that does not have sufficient attributes to form a primary key is termed a..........

8 / 25

We indicate roles in E-R diagrams by labeling the lines that connect ................... to..............

9 / 25

.................is a special type of integrity constraint that relates two relations & maintains consistency across the relations.

10 / 25

Data integrity constraints are used to:

11 / 25

For a weak entity set to be meaningful, it must be associated with another entity set, called the:

12 / 25

.............is preferred method for enforcing data integrity:

13 / 25

A domain is ______ if elements of the domain are considered to be indivisible units.

14 / 25

Which one of the following uniquely identifies the elements in the relation?

15 / 25

Weak entity set is represented as:

16 / 25

Which is the main relation which is used in the university database which is referenced by all other relation of the university.

17 / 25

The Rectangles divided into two parts represents:

18 / 25

If every non-key attribute is functionally dependent primary key, then the relation will be in:

19 / 25

The term for information that describes what type of data is available in a database is:

20 / 25

What term is used to refer to a specific record in your music database; for instance; information stored about a specific album?

21 / 25

The entity relationship set is represented in E-R diagram as:

22 / 25

If a relation is in BCNF, then it is also in:

23 / 25

If you were collecting and storing information about your music collection, an album would be considered a(n):

24 / 25

Drop Table cannot be used to drop a table referenced by a _________ constraint.

25 / 25

Which one is based on multi-valued dependency:

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