CS MCQ Questions

Solved MCQ Questions on DBMS with answer set-7

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This set of solved MCQ questions on DBMS includes the collections of multiple-choice questions on the fundamentals of DBMS, SQL Server, and the database structures.

1. Processed data is called ………………..
A) Raw data
B) Information
C) Useful data
D) Source

2. …………….. is a utility to capture a continuous record of server activity and provide auditing capability.
A) SQL Server Profile
B) SQL server service manager
C) SQL server setup
D) SQL server wizard.

3. Data items grouped together for storage purposes are called a
A) record
B) title
C) list
D) string

4. …………. contains data assisting day to day activities of the organization.
A) Control database
B) Operational database
C) Strategic database
D) Sequential database

5. ………………… approach reduces time and effort required for design and lesser risk in database management.
A) Single global database
B) Top-down approach
C) Multiple databases
D) None of the above

6. HSAM stands for ……….
A) Hierarchic Sequential Access Method
B) Hierarchic Standard Access Method
C) Hierarchic Sequential and Method
D) Hierarchic Standard and Method

7. SQL server stores index information in the ………… system table
A) syst indexes
B) system indexes
C) sysind
D) sys indexes

8. The one guideline to be followed while designing the database is
A) A database design may be ambiguous.
B) Unrelated data should be at the same table so that updating the data will be easy.
C) It should avoid/reduce the redundancy.
D) An entity should not have attributes.

9. Which of the following is not a logical database structure?
A) Chain
B) Network
C) Tree
D) Relational

10. ……………. is a preferred method for enforcing data integrity
A) Constraints
B) Stored procedure
C) Triggers
D) Cursors

We have created a quiz including Solved MCQ Questions on DBMS. Please take this quiz to test your knowledge on DBMS fundamentals.

Quiz for Fundamentals of DBMS

 

1. Which database is used as a template for all databases created?
2. Which of the following is a preferred method for enforcing data integrity?
3. What defines the structure of a relation that consists of a fixed set of attribute-domain pairs?
4. Which key is a minimal superkey that can also refer to a surrogate key?
5. Which of the following databases contains data assisting day-to-day activities of the organization?
6. What will be created if a primary key is combined with a foreign key?
7. What language requires a user to specify the data to be retrieved without specifying exactly how to get it?
8. DCL stands for
9. What are the different events in Triggers?
10. Which of the following is the preferred method for enforcing data integrity?
11. Which data type can store unstructured data?
12. Which of the following clauses is used to pass on granted privileges to other users?
13. Which of the following is a way a particular application views the data from the database that the application uses?
14. Which of the following is not a binary operator in relational algebra?
15. Which of the following enables users to create and maintain a database?
16. In a relational schema, each tuple is divided into fields called
17. DFD stands for
18. What is a set of possible data values?
19. A relational database developer refers to a record as
20. Which of the following is used to determine whether a table contains duplicate rows?
21. Which of the following is TRUE for the system variable "date"?
22. What is a special type of integrity constraint that relates two relations & maintains consistency across the relations?
23. Which of the following components is NOT included in the database environment?
24. Which candidate key allows you to uniquely identify each row?
25. Which of the following is an outstanding functionality of SQL that supports automatic selection of the target data?
26. Which clause is an additional filter that is applied to the result?
27. What is the way a particular application views the data from the database that the application uses?
28. Which of the following contains information that defines valid values that are stored in a column or data type?
29. In an ER model, which is described in the database by storing its data.
30. What is the feature of the relational model?
31. What is a logical schema?
32. Which of the following keys is used to eliminate duplicate rows?
33. What is the process of organizing data into related tables?
34. Which of the following is/are the DDL statements?
35. Which of the following commands can be used to modify a column in a table?
36. Which command is used for entering the specific database?
37. If a table has more than one set of attributes that could be chosen as the key, it is called
38. In SQL, the CREATE TABLESPACE is used
39. In a snapshot, which clause tells Oracle how long to wait between refreshes?
40. Which of the following are used during the operation of the DBMS?
41. Which command can be used to change a column value in a table?
42. Which of the following is a utility to capture a continuous record of server activity and provide auditing capability?
43. In SQL, which command is used to issue multiple CREATE TABLE, CREATE VIEW, and GRANT statements in a single transaction?
44. Which of the following clauses specifies a search condition for a group or an aggregate?
45. Data independence means
46. Which of the following operators is basically a join followed by a project on the attributes of the first relation?
47. What is the full form of DDL in Database Management System?
48. Which keyword is used to find the number of values in a column?
49. What operator tests the column for the absence of data?
50. Which of the following is critical in formulating database design?
51. Which of the following entity does not have a distinguishing attribute if its own and most are dependent entities?
52. In the relational modes, cardinality is also called
53. Which of the following is the complex search criteria in the where clause?
54. Which of the following provides an option for entering SQL queries as execution time, rather than at the development stage?
55. Which contains information about a file needed by system programs for accessing file records?
56. Which of the following are the properties of entities?
57. What is the full form of HSAM?
58. In a relational model, relations are also called
59. Which is a proper subset designed to support views belonging to different classes of users in order to hide or protect information?
60. The key to represent the relationship between tables is called
61. Which character function can be used to return a specified portion of a character string?
62. Which of the following has to be dealt with by the integrity subsystem is to ensure that only valid values can be assigned to each data item?
63. Which of the following is not a characteristic of a relational database model?
64. Which one of the following statements is false?
65. Which database level is closest to the users?
66. What represents the number of entities to which another entity can be associated?
67. The database schema is written in which of the following languages?
68. Which of the following is not a logical database structure?
69. Which of the following SQL commands can be used to modify existing data in a database table?
70. Which of the following files are used during the operation of the DBMS?
71. Which of the following is used to define the overall design of the database?
72. Which of the following databases has only a strict parent-child relationship?
73. What is the collection of information stored in a database at a particular moment?
74. What is the view of total database content?
75. What is a full form of SQL?
76. Which of the following are the ways in which entities can participate in a relationship?
77. Which of the following is a condition specified on a database schema and restricts the data that can be stored in an instance of the database?
78. What is an advantage of the database management approach?
79. DBMS helps to achieve
80. Who proposed the process of normalization in DBMS at first?
81. Which statement is executed automatically by the system?
82. Data items grouped together for storage purposes is called a
83. What is the number of tuples in a relation?
84. A top-to-bottom relationship among the items in a database is established by a
85. What is a set of columns that identifies every row in a table?
86. A table can have only one
87. Which of the following defines rules regarding the values allowed in columns and is the standard mechanism for enforcing database integrity?
88. Which table store information about the database or about the system?
89. Grant and revoke are which of the following statements?
90. Which normal form is considered adequate for relational database design?

 

Answers:

1. B) Information
2. B) SQL server service manager
3. A) record
4. B) Operational database
5. C) Multiple databases
6. A) Hierarchic Sequential Access Method
7. D) sys indexes
8. C) It should avoid/reduce the redundancy.
9. A) Chain
10. A) Constraints

Read Next: Objective Questions of Database Management System (DBMS) set-8

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