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MCQ Questions on The Database Management System (DBMS) Set – 8

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MCQ Questions on The Database Management System (DBMS)
Here is the collection of solved MCQ questions on the database management system includes interview questions on fundamentals of DBMS. It includes MCQ questions on the database schema, type of data integrity in DBMS, different types of normal forms, an instance of relation, and DDL used in DBMS commands.

1. The reflexivity property says that X – Y is true if Y is …………………. A) Subset of X
B) Null set of X
C) Superset of Y
D) Subset of Y

2. Anything that affects the database schema is a part of
A) DML
B) DCL
C) DDL
D) All of the above

3. An instance of a relation is a time-varying set of ………………….
A) Tuples
B) Rows
C) Both of them
D) None of them

4. In the ………………… mode any record in the file can be accessed at random
A) Sequential access
B) Random access
C) Standard access
D) Source access

5. Which can be used to delete all the rows if a table?
A) Delete * from table_name
B) Delete from table_name
C) Delete table_name
D) all rows cannot be deleted at a time.

Read Also: Solved MCQ on Database Normalization

6. Which if the following is not the type of data integrity.
A) Key integrity
B) Domain integrity
C) Entity integrity
D) Referential integrity

7. 4NF stands for ..
A) Fourth Normal File
B) Fourth Normal Form
C) Fourth Normal Fraction
D) Fourth Negative File

8. A ……………… allows making copies of the database periodically to help in the cases of crashes & disasters.
A) Recovery utility
B) Backup Utility
C) Monitoring utility
D) Data loading utility

9. ………………. Allows definitions and query language statements to be entered; query results are formatted and displayed.
A) Schema Processor
B) Query Processor
C) Terminal Interface
D) None of the above

10. The main task carried out in the …………… is to remove repeating attributes to separate tables.
A) First Normal Form
B) Second Normal Form
C) Third Normal Form
D) Fourth Normal Form

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

Quiz for Fundamentals of DBMS

 

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

 

Answers:

1. A) Subset of X
2. C) DDL
3. C) Both of them
4. B) Random access
5. A) Delete * from table_name
6. A) Key integrity
7. B) Fourth Normal Form
8. B) Backup Utility
9. C) Terminal Interface
10. D) Fourth Normal Form

Read Next: MCQ on Fundamental of Database Management System (DBMS) set-9
Read More: Database Management System MCQ Questions

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