Advanced Database Management System MCQ with Answers_071802.pdf

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About This Presentation

Advanced database systems


Slide Content

Advanced Database Management
System MCQ with Answers

Eguardian India

12-18 minutes

MCQs on Advanced Database Management System (DBMS) can
be quite frustrating for those who are not well-versed in the topic.
However, with a little bit of preparation, you can defeat most DBMS
MCQs with ease. Here are the 50 most important advanced DBMS
MCQs with answers that will help you to crack the exams.

Advanced Database Management System MCQ with Answers.
Advanced DBMS MCQ questions are very useful for the
preparation for MCA, BCA, MSC IT, BSC IT, GATE, NET, and other
Academic and Competitive Exams.

By:
www.eguardian.co.in
Our Youtube Channel
Eguardian India

Contents

Brief about Advanced Database Management System

Advanced Database Management System (DBMS) encompasses

the design, implementation, management, and organization of

databases. DBMS technology allows for the efficient retrieval of

information by supporting different query languages.

The following are some DBMSs that are commonly used in
business: Oracle, MySQL, Microsoft SQL Server, PostgreSQL, and
MongoDB. A DBMS is a critical component of any information
system and should be selected carefully to meet the specific needs

of a given organization.

What is Advanced Database Management System

Advanced Database Management System (ADBMS) is a type of
database management system (DBMS) that provides an enterprise
with advanced capabilities for managing data, including advanced
data modeling and analysis, improved data security, scalability, and
performance optimization.

ADBMS typically provides additional functionality, such as data
warehousing, data mining, data lakes, and business intelligence
capabilities, compared to a standard DBMS. These advanced
capabilities allow businesses to better utilize their data to gain

insight and make decisions.

1, What is a repository of data, intended to assist proficient storage

of data, retrieval and preservation called?

a. DBMS

b. ADBMS

c. Database
d. RDBMS
Show Answer

Answer: (C)

2. DBMS can provide the simultaneous implementation of different
portions of the database. (True/False)
Show Answer

Answer: (T)

3. For sharing data among clients, the most frequent way is the

creation of two-tier client/server databases. (True/False)

Show Answer
Answer: (T)

4. An application program comprises two components, one being
the GUI. Name the other component.

a) Presentation logic

b) Business logic

0) Message logic

d) User interface logic

Show Answer
Answer: (B)

5. The requirements of information from various branches as well
as divisions are successfully supported by a ___ database.
Show Answer

Answer: (Enterprise)

6. Ina ___ schema, we organize data into a structure that appears
as a tree.

Show Answer
Answer: (Hierarchical schema)

7. Network schema provides permission for only 1:1 relationships.
(True/False)

Show Answer

Answer: (F)

8. In the case of relational schema, every tuple is separated into
fields which we call _

Show Answer

Answer: (Domains)

9. Which of the following is not considered a logical structure of the
database?

a) Tree

b) Relational

c) Network

d) Chain

Show Answer
Answer: (D)

10. Relational model makes use of some unknown terminology. A
tuple is said to be equal to a __.

Show Answer
Answer: (Network)

11. Logical data structure having a 1:M relationship is considered
asa:

a) Network

b) Tree

0) Chain

d) Relation

Show Answer

Answer: (B)

12. It is easy to preserve and update the ___ database
Show Answer
Answer: (Centralized)

13. In the case of distributed database, data is handled by
numerous servers. (True/False)
Show Answer

Answer: (T)

15. QBE stands for __.

Show Answer

Answer: (Query by example)

16. Domain integrity is also called ‘___' integrity.

Show Answer
Answer: (Attribute)

17. There are two types of DROP commands: CASCADE and
RISTRICT (True/False)
Show Answer

Answer: (T)

18. ___ command helps for the creation of SQL relations.

Show Answer
Answer: (Create)

19. With the help of WHERE and ___ commands it is possible to
embed a SQL statement into another.

Show Answer

Answer: (HAVING)

20. It is not possible to query multiple relations in SQL. (True/ False)
Show Answer

Answer: (F)

21. A___ is a subschema in which logical tables are generated
from more than one base table.

Show Answer
Answer: (View)

22. During the query execution contents are taken from other
tables. (True/False)
Show Answer

Answer: (T)

23. To recognize embedded SQL requests to the pre-processor, we

use the statement.
Show Answer

Answer: (EXEC SQL)

24. It is a good practice to append a colon before the host variables
to differentiate them from other variables used in SQL. (True/False)
Show Answer

Answer: (T)

25. SQL offers ___ statements that make easy the process of
concurrent transaction control.

Show Answer
Answer: (Two)

26. In transaction processing, the integrity rules of a database are
maintained by ___ property.

Show Answer

Answer: (Consistency)

27. ___ permits to create and submit SQL queries dynamically or

run time
a) Miscellaneous SQL
b) Dynamic SQL

c) Data Definition Language
d) SQL Preprocessor
Show Answer

Answer: (B)

28. Using dynamic SQL, programs cannot create SQL queries as
strings at run time. (True/ False)
Show Answer

Answer: (F)

29. SQL is supported by RDBMS. (True/False)

Show Answer
Answer: (F)

30. SELECT, INSERT, DELETE and UPDATE commands are used
by ___ to modify the data.
Show Answer

Answer: (DML)

31. Decomposition helps to reduce data redundancy. (True/False)

Show Answer

Answer: (T)

32. Functional dependencies can be used to refine the ___.
Show Answer

Answer: (Schema)

33. Which of the following is preferred when there is a
disagreement between data items in a database?

a) Redundancy

b) Inconsistency

c) Anomaly

d) Normalisation

Show Answer

Answer: (B)

34. When the data values are stored repeatedly in multiple copies
in the database, itis known as __.

Show Answer
Answer: (Redundancy)

35. How does Normalisation help?

a) By eliminating various database anomalies
b) By minimizing redundancy

c) By eliminating data inconsistency

d) All of the above

Show Answer
Answer: (D)

36. An attribute (column) is said to be ____if its value can be
determined by anyone or more attributes of the primary key, but not
all.

Show Answer

Answer: (Partially dependent)

37. A table that is in ___ normal form may contain redundancies
due to transitive dependencies.

Show Answer
Answer: (Second)

38. The Fifth Normal form is usually useful when we have large
relational data models. (True/False)

Show Answer
Answer: (T)

39. The join dependency is a more generalized form of ___

dependency.

Show Answer

Answer: (Multi-valued)

40. An FD is a special case of an MVD and every FD is an MVD.
(True/False)

Show Answer

Answer: (T)

41. The fifth normal form is also called _

Show Answer

Answer: (Project-Join Normal Form (PJNF))

42. From a____point of view, it is standard to have tables that are in
the Third Normal Form.

Show Answer
Answer: (Rational model)

43. According to relational database rules, a completely normalized
database always has the best performance. (True/False).

Show Answer
Answer: (F)

44. Denormalisation is done to increase the performance of the
database. (True/False)

Show Answer

Answer: (T)

45. Denormalisation is a technique to move from higher to lesser
normal forms of database modelling in order to get faster access to
the database. (True/ False)

Show Answer

Answer: (T)

46. ___ splits tables by rows, thus reducing the number of records
per table.

Show Answer
Answer: (Horizontal Fragmentation)

47. SQL commands define the actions to be taken to control ___.

Show Answer
Answer: (Transaction Execution)

48. ___ is formed with the combination of PK and FK.
Show Answer
Answer: (Referential Integrity)

49. ___ may be avoided if an appropriate index exists to allow
ordered access to the records.

Show Answer

Answer: (Sorting)

50. Relations are said to be Union compatible if they have the same
___ and that from the same domain.

Show Answer
Answer: (Attributes)

51. MQO (Multi Query Optimisation) saves the evaluation cost and
execution time by executing the common operations once over a set
of queries (True/False)

Show Answer
Answer: (T)
52. ___ relies on nested loop joins for implementation.
Show Answer

Answer: (Navigational strategies)

53. ___ works reversely it starts with the subquery first and after
that executes the outer query.
Show Answer

Answer: (Reverse lookup)

54. Itis required to validate update operations against stated
relational database constraints (True/False)

Show Answer

Answer: (T)

55. ___ is defined as a set of rows that encode the changes made

to a specific base table.

Show Answer
Answer: (Delta stream)

56. represents a relational calculus expression.
Show Answer

Answer: (Query graph)

57. The query graph representation also indicates an order in which
operations perform first. (True/False).

Show Answer

Answer: (F)

58. Semantic query optimisation helps inefficient query ___ by
modifying one query into another.

Show Answer
Answer: (Execution)

59. Relational database constraints are used in semantic query
optimization techniques. (True/False)

Show Answer

Answer: (T)
60. The key to achieving good stream processing performance is to
optimise ___ together.

Show Answer
Answer: (Multiple queries)

61. The system knows the blocks containing the tuples of R, and it
is not possible to get the blocks one by one. (True/ False)
Show Answer

Answer: (F)

62. We can use the index not only to get all the tuples of the
relation it indexes but also __.

Show Answer
Answer: (Secondary)

68. It is an open function that initiates the process of getting tuples,
but it does not get a tuple.

(True/ False)

Show Answer

Answer: (T)

64. The selection of an algorithm for each operator is one of the

most fundamental elements of the process of transformation of a
logical query plan into a physical query plan. (True/ False)

Show Answer
Answer: (T)

65. Tuple-at-a-time, unary operations require neither __ nor

Show Answer
Answer: (F)

66. ___ joins can be used for relations of any size. One relation
does not need to necessarily fit in the main memory.

Show Answer
Answer: (Nested-loop)

67. Nested-loop does not allow us to avoid storing intermediate
relations on disk in some situations. (True/ False)

Show Answer
Answer: (F)

68. In___ algorithms, data is read into the main memory from the
operand relations.

Show Answer

Answer: (merged)

69. In the second pass, all the sorted sublists are ___.
Show Answer

Answer: (Two-pass)

70. If there are M buffers available and we can pick M as the
number of buckets, we can gain a factor of M in the size of the
relations that we can handle. (True/ False)

Show Answer
Answer: (T)

71. The essential idea behind all hash-based algorithms is __.

Show Answer
Answer: (Last)

72. The existence of an index on one or more attributes of relation
makes available some algorithms that ___.

Show Answer
Answer: (Non-clustering)

If you need more MCQs of Advanced Database System click here

on the link

Advanced-Data Structure MCQ sample papers with answers

Advanced Database Management System Quiz

Test your knowledge of the latest advancements in database
management systems and find out if you are up-to-date with the
latest trends in the industry. This quiz will assess your
understanding of database systems and the technologies that drive
them, allowing you to gain a better understanding of the technology
behind the world's leading database management systems. Take

the quiz now and see how much you know!
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