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

 

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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