PPSC FPSC KPPSC BPSC SPSC Lecturer Computer Science Test 49

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There will be 25 multiple choice question in the test.
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Test Instructions:-
Test NameLecturer Computer Science 
SubjectComputer Science Test 49
Test TypeMCQs
Total Questions25
Total Time20 Minutes
Total Marks100
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You have 20 minutes to pass to the quiz.

You have 20 minutes to pass to the quiz.


Lecturer Computer Science Online Test No. 49

1 / 25

Which of the normal form is based on multivalued dependencies ?

2 / 25

Relation dept year(dept name, total inst 2007, total inst 2008, total inst 2009) .Here the only functional dependencies are from dept name to the other attributes .This relation is in:

3 / 25

Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set?

4 / 25

Thus a _______ of course data gives the values of all attributes, such as title and department, of all courses at a particular point in time.

5 / 25

The main task carried out in the ______ is to remove repeating attributes to separate tables.

6 / 25

..............can help us detect poor E-R design.

7 / 25

If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from one of the following sources.

8 / 25

Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set.

9 / 25

Designers use which of the following to tune performance of systems to support time-critical operations?

10 / 25

What is the best way to represent the attributes in a large database?

11 / 25

In which of the following , a separate schema is created consisting of that attribute and the primary key of the entity set.

12 / 25

The file organization which allows us to read records that would satisfy the join condition by using one block read is:

13 / 25

Each tablespace in an Oracle database consists of one or more files called:

14 / 25

A unit of storage that can store one or more records in a hash file organization is denoted as:

15 / 25

Fifth Normal form is concerned with:

16 / 25

In which of the following , a separate schema is created consisting of that attribute and the primary key of the entity set.

17 / 25

Representations such as the in the dept year relation, with one column for each value of an attribute, are called _______; they are widely used in spreadsheets and reports and in data analysis tools.

18 / 25

In the schema (dept name, size) we have relations total inst 2007, total inst 2008 . Which dependency have lead to this relation ?

19 / 25

What are the correct features of a distributed database?

20 / 25

Which level of RAID refers to disk mirroring with block striping?

21 / 25

The normal form which satisfies multivalued dependencies and which is in BCNF is

22 / 25

Which forms has a relation that possesses data about an individual entity?

23 / 25

If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from one of the following sources.

24 / 25

Which of the following is a tuple-generating dependencies ?

25 / 25

Suppose the user finds the usage of room number and phone number in a relational schema there is confusion. This is reduced by:

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