DBMS MCQ 01

DBMS MCQ 01

1. DBA stands for:

1. Database associated
2. Database administrator
3. Database application
4. None of these

2. DBMS stands for:

1. Database associated
2. Database administrator
3. Database application
4. Database management system

3. Which means a place where data can be stored in a structured manner:

1. CPU
2. Database
3. ALU
4. All of these

4. A database is a complex ______:

1. Data structure
2. Memory
3. Both
4. None

5. The set of data available to the user, the so-called:

1. Start-user data
2. End-user data
3. Database
4. None of these

6. How is describing the end-user data:

1. Memory
2. CPU
3. ALU
4. Data

7. DBMS is to impose a logical and structured organization on:

1. Register
2. Data
3. Memory
4. None of these

8.  How many basic operation performed in DBMS:

1. 1
2. 2
3. 3
4. 4

9.  Basic operation performed in DBMS are:
1. Management of data in the database
2. Management of user associated with database
3. Both
4. None
10.  _____is a collection of programs performing all necessary action associated with a database:

1. Database associated
2. Database administrator
3. Database application
4. Database management system

11. _______is a program or set of program that interacts with the database at some point in its execution:

1. A database system
2. A database application
3. Both
4. None

12. ________is a collection of application programs that interacts with the database along with DBMS:

1. A database system
2. A database application
3. Both
4. None

13. In which services the processes of database management and data management are complementary:

1. Database associated
2. Database administrator
3. Database application
4. Database management system

14. ACID stands for:
1. Atomicity, consistency, isolation, and durability
2. Atomicity, command, integrity, and data
3. Atomicity, control, integrated, and direct
4. None of these
15.  A DBMS provides users with the conceptual representation of:

1. Register
2. Data
3. Logical view
4. Physical view

16. Which structure of data clearly is one of the main features of the database approach:

1. Logical view
2. Physical view
3. Both
4. None

17. A _____view of data expresses the way a user thinks about data

1. Logical view
2. Physical view
3. Both
4. None

18. A physical view of data refers to the way data is handled at a_____ its storage and retrieval:

1. High level
2. Low level
3. Medium level
4. All of these

19. In logical and physical view of data the set of principles that defines a data model may be divided into how many parts:

1. 1
2. 2
3. 3
4. 4

20. In logical and physical view of data the set of principles that defines a data model may be divided into which part:

1. Data definition
2. Data manipulation
3. Data integrity
4. All of these

21. The overall description of a database is called______:

1. Data definition
2. Data manipulation
3. Data integrity
4. Database schema

22. Which is proper subset designed to support ‘views’ belonging to different classes of users in order to hid or protect information:

1. Schema
2. Subschema
3. Non-schema
4. None-subschema

23. A data dictionary is a repository that manages _____:

1. Database
2. Memory
3. Metadata
4. All of these

24. Which languages are used to define and query a database:

1. Database
2. Memory
3. Metadata
4. All of these

25. DDL stand for:

1. Data definition language
2. Data description languages
3. Data design languages
4. Database dictionary languages

26. Which are the not most frequently used DDL statements:

1. CREATE
2. DROP
3. ALTER
4. None of these

27. VDL stand for:
1. View data languages
2. View design languages
3. View definition languages
4. View done languages
28. SDL stands for
1. Stand definition languages
2. Storage definition languages
3. Select definition languages
4. system definition languages
29. The DDL is used to specify the_____:

1. Conceptual schemas
2. Internal schemas
3. Both
4. None

30. The  SDL is used to specify the_______:

1. Conceptual schemas
2. Internal schemas
3. Both
4. None

31. DML stands for:
1. Data description languages
2. Data design languages
3. Database dictionary languages
4. Data manipulation languages
32. Which is used for data retrieval from the database:

1. DDL
2. DML
3. SDL
4. VDL

33.  Which is used to specify the user views and their mappings to the conceptual schema:

1. DDL
2. DML
3. SDL
4. VDL

34. How many types of DML:

1. 1
2. 2
3. 3
4. 4

35. What are the types of DML:

1. Low level
2. High level
3. Procedural DML
4. All of these

36.  Which is requires a user to specify what data is needed and how to get it:

1. Low level
2. Procedural DML
3. Both
4. None

37. Data is manipulated by procedure calls to subroutines provided by a_____:

1. Data
2. DBMS
3. Register
4. All of these

38. The programming languages is called:

1. Sublanguages
2. Host languages
3. VDL
4. DDL

39.  The DML is called:

1. Sublanguages
2. Host languages
3. VDL
4. DDL

40. Which command are included in a general purpose programming languages:

1. DDL
2. DML
3. SDL
4. VDL

41. A database management system are very complex_____:

1. Art
2. Command
3. Languages
4. System

42. How many levels of abstraction in DBMS:

1. 2
2. 3
3. 4
4. 5

43. Which are the three levels of abstraction:

1. Physical
2. Logical
3. External
4. All of these

44. How many types of data independence:

1. 1
2. 2
3. 3
4. 4

45. Which are the types of data independence:

1. Physical
2. Logical
3. Both
4. All of these

46. Which is the transformation of requests and results between different levels of abstraction:

1. Evaluation
2. Mapping
3. Compiler
4. Precompiler

47. Which mapping exists between the conceptual and internal levels:

1. Conceptual
2. Internal
3. Both
4. None

48. Which mapping exists between the external and conceptual levels:

1. Conceptual
2. Internal
3. Both
4. None

49. The related  and interconnected software components of a DBMS are described by the _______:

1. Logical architecture
2. Physical architecture
3. Both
4. None

50. Which are the types of physical DBMS architecture can be split :

1. Back end
2. Front end
3. Both
4. None

51. In which end is really just any application that runs on top of the DBMS and acts as a user interface:

1. Back end
2. Front end
3. Both
4. None

52. Data are stored in________ as database:

1. Data files
2. Data dictionary
3. Database
4. Data administrator

53. RAD stands for:
1. Rotate application development
2. Register application development
3. Related  application development
4. Rapid application development
54. DA stands for:

1. Data administrator
2. Database active
3. Define application
4. All of these

55. Which is the person responsible for overall control f the database system:

1. DDL
2.  DBMS
3. DBA
4. SDL

56. DBA stands for:
1. Database maintenance
2. Database administrator
3. Database backup
4. Database designer
57. Transaction is an action used to perform some manipulation on data stored in the____:

1. Memory
2. Record
3. Database
4. All off these

58. How many features of a DBMS which provide a number of advantages for data management:

1. 1
2. 3
3. 5
4. 7

59. Which is a DBMS keeps back-up copies of the database:

1. Backup
2. Recovery
3. Both
4. None

60. In which the database can be restored up to the last consistent state after the system failure:

1. Backup
2. Recovery
3. Both
4. None

61. Which are the not user in End-user:

1. Naïve users
2. Casual users
3. Sophisticated user
4. All of these

62. Which are the not features of a DBMS which provide a number of advantages for data management:

1. DML
2. DDL
3. SDL
4. None of these

63. Minimal data redundancy means improved _________:

1. Data independence
2. Data consistency
3. Data integration
4. Data sharing

64. Who access the database occasionally and have different needs each time:

1. Naïve users
2. Casual users
3. Sophisticated user
4. All of these

65. Who interact with the system without writing a program:

1. Naïve users
2. Casual users
3. Sophisticated user
4. All of these

66. Who interact with the system by invoking one of the permanent application program:

1. Naïve users
2. Casual users
3. Sophisticated user
4. All of these

67. The main interface that a native user uses is a form interface using___:

1. DDL
2. GUI
3. OLAP
4. DML

68. The provision of _______ is a major objective for database system:

1. Data independence
2. Data consistency
3. Data integration
4. Data sharing

69. Who is requested to carry out various operation, such as insert, delete, update and retrieval vwiours on the database by the user:

1. DBA
2. DBMS
3. DBS
4. DDL

70. ____ is a translates into low-level instruction that a query processor understands:

1.  DBA
2. DBMS
3. DBS
4. DDL

71. Retrieval of data is done by using a ____:

1. Stack
2. Query
3. Linked list
4. All of these

72. DML is a languages by which user accesses or manipulates the ________:

1. Data model
2. Data consistency
3. Data integration
4. Data sharing

73. Which is the central component of the DBMS software that can also be termed as the database control system:

1. Data consistency
2. Data integration
3. Data sharing
4. Data manager

74. Which is stored information about description of data in the database:

1. Data files
2. Data dictionary
3. Database
4. Data administrator

75. After conversion of high level queries into low level commands for file access and is called compiled_____:

1. DDL
2. DML
3. SDL
4. VDL

76. Which is installs, configures, troubleshoots and maintains a database system:

1. DBA
2. DDL
3. DML
4. SDL

77. Which is incorporated to create an appropriate physical database that is transformed by a logical data model:

1. SDL
2. VDL
3. Both
4. None

78. SQL stands for:
1. System query language
2. Sequential query language
3. Sets query languages
4. None of these
79. CSV stands for:
1. Command system values
2. Comma system values
3. Command separated values
4. Comma separated values
80. PDF stands for:
1. Physical data format
2. Portable document format
3. Physical document format
4. Portable data format
81.  XML stands for:
1. Xtensible markup languages
2. Xtensible memory languages
3. Both
4. None
82. BLOB stands for:
1. Binary languages Objects
2. Bit large Objects
3. Binary low objects
4. Binary large objects
83. Which is refers to the collection of related data values or items called fields:
1. Record
2. Record blocking
3. Fixed-length record
4. Variable-length record
84. Every record in the same size in bytes the file is constituted of_____:
1. Record
2. Record blocking
3. Fixed-length record
4. Variable-length record
85. _________ is the records in the file are of different sizes:
1. Record blocking
2. Fixed-length record
3. Variable-length record
4. None of these
86. In which circumstances not variable-length record occur:

1. Mixed files
2. Repeating field
3. Both
4. None

87. The block containing the record is the unit of data transferred between the________:
1. Main memory and The disk
2. Data and Memory
3. Data and Disk
4. All of these
88. Who is the unit of data transferred:

1. The memory
2. The data
3. The user
4. The block

89.  _____is a collection of all occurrences of similar types of records:

1. Data
2. Data item
3. File
4. All of these

90. How many types of recodes in a file-based system:

1. 2
2. 4
3. 6
4. 8

91.  Which are is not type of recodes in a file-based system:

1. Logical records
2. Physical records
3. Both
4. None

92. Which contain information about a file needed by system programs for accessing file records:

1. File blocks
2. File operations
3. File headers
4. None of these

93. The file operations can be divided into how many categories:

1. 1
2. 2
3. 3
4. 4

94. _____ take into account only such records that are valid:

1. Algorithm
2. Searching algorithm
3. Flow chart
4. All of these

95.  ______ file organization is vital for ensuring the most efficient access of files and records:

1. File blocks
2. File operations
3. File headers
4. File organization

96. New records are placed at the end of the file it is referred to as____:

1. Heap file
2. Pile file
3. Both
4. None

97. The field which is used to order the file is referred to as ________:

1. Sorted field
2. Ordering field
3. Both
4. None

98. Binary search accesses _____ blocks:

1. Log(b)
2. Log2(b)
3. 2log(b)
4. Log(2b)

99. Which provides precise partition between abstract characteristics of the data type and its implementation specifications:

1. Data
2. Data item
3. File
4. Data abstraction

100. ODBS stands for:
1. Off data base connection
2. Open data base connection
3. Oriented data base connection
4. All of these
101. DDL stands for:
1. Decode data languages
2. Data define languages
3. Database define languages
4. Define data languages
102.  SOA stands for:
1. Services oriented abstraction
2.  System oriented abstraction
3. Services oriented architecture
4. All of these
103.  ADSL stands for:
1. Acquired data system line
2. Asymmetric digital subscribe line
3. Asymmetric digital subscribe languages
4. Acquired data system languages
104. Which services are insulated by abstraction from the fundamental physical data:

1. DDL
2. ODBC
3. SOA
4. ADSL

105. EII stand for:
1. Enterprise information integration
2. End information integration
3. Enterprise input information
4. None of these
106. ______ is another name given to data integration when use in the management context:

1. EII
2. IEI
3. GUI
4. SUI

107. LAV  stands for:

1. Logical as view
2. Local as view
3. Land as view
4. Last as view

108. GAV stands for:

1. Global as view
2. Global as verify
3. Both
4. None

109. ETL stands for:
1. End transforming and loudening
2. Extracting transforming and loading
3. Extracting transforming and languages
4.  End transforming and languages
110. GSM stands for:

1. Global source mapping
2. Global system map
3. Global system master
4. Global system mode

111. Which are the accepted ways for modeling such correspondence:

1. LAV
2. GAV
3. Both
4. None

112. CDI stands for:
1. Computer data input
2. Code data input
3. Computer data integration
4. Computer data information
113. How many structure used in ontology based on data integration application are explained:

1. 1
2. 2
3. 3
4. 4

114. ______ is the commercial application of data integration:

1. EII
2. IEI
3. GUI
4. SUI

115. ANSI stands for:
1. Analyst national system institute
2. Analog   national system institute
3. Analyst national standards  institute
4. American national standards institute
116. SPARC stands for:
1. System planning and requirements
2. Standards planning and requirements
3. Both
4. None