• Sql Hr Database Questions And Answers
• Database Exam Questions And Answers Pdf
• Sql Hr Database Questions And Answers
• Oracle Database Questions And Answers

Answer: Relational Database Management System (RDBMS) is based on a relational model of data that is stored in databases in separate tables and they are related to the use of a common column. Data can be accessed easily from the relational database using Structured Query Language (SQL). Q #4) Enlist the advantages of DBMS. Database interview questions are open-ended questions asked by an interviewer to assess your expertise in database management. Depending on your answers, the interviewer will decide if your database knowledge aligns with the organization’s needs. This question tests the technical knowledge of your applicant and is directed at people you’re hiring for mid-level positions. Look for an answer that covers the basic concept and goes into some detail about its role in a database environment. What to look for: Thorough understanding of this acronym; Good communication; Use case examples.

Here, i am sharing with you some important Database Management System MCQ’s type questions answers.

1) DCL stands for

1. Data Control Language
2. Data Console Language
3. Data Control Level
4. Data Console Level

2) A ……… is used to define overall design of the database

1. Schema
2. Application program
3. Data definition language
4. None of the above

3) …………… database is used as template for all databases created.

1. Master
2. Model
3. Temp DB
4. None of the above

4) Which of the following is/are the DDL statements?

1. Create
2. Drop
3. Alter
4. All of the above

5) The database environment has all of the following components except.

1. Users
2. Database
3. Database Administration
4. Separate files

6) Related fields in a database are grouped to form a

1. Data file
2. Data record
3. Menu
4. None of the above

7) The way a particular application views the data from the database that the application uses is

1. Module
2. Relational model
3. Schema
4. Sub Schema

8) A shared collection of logically related data.

1. Data Base
2. Mark Sheet
3. Result
4. Record

9) The Description of the Data is known as.

1. System Catalog
2. File
3. Dictionary
4. Tech

10) A software system that enables users to define, create, maintain, and control Access to the database.

1. Database Management System
2. Data Management
3. Filing system
4. Record

11. Which of the following is a physical storage media?
a) Tape Storage
b) Optical Storage
c) a and b
d) RAM

12. The time for repositioning the arm is called ___ and it increases with the distance that the arm must move.
a) Access time
b) Seek time
c) Average seek time
d) Burst time

13. In Flash memory, the erase operation can be performed on a number of pages, called an _______ at once, and takes about 1 to 2 milliseconds.
a) Delete block
b) Read block
c) Flash block
d) Erase block

14. A major goal of the database system is to minimize the number of block transfers between the disk and memory. This can be achieved by which of the followings;
a) Secondary storage
b) Catalog
c) Storage
d) Buffer

15. Which of the following is the smallest unit of allocation in an Oracle database?
a) Database
b) Database Block
c) Tablespace
d) Instance

Sql Hr Database Questions And Answers

16.The time factor when determining the efficiency of an algorithm is measured by
a) Counting microseconds
b) Counting the number of statements
c) Counting the number of key operations
d) Counting the kilobytes of algorithm

17. Which of the following fixed database roles can add or remove user IDs?
a) db_setupadmin
b) db_securityadmin
c) db_accessadmin
d) db_sysadmin

Which data model which define how the data is actually stored is

A logical model
B external model
C internal model
D none of these
E All of these

Answer: C
Data about data is called

A directory
B data bank
C both a and b
D none of the above
E meta data

Answer: D

which scheme is for hierarchical database

A a B-tree
B a graph
C a tree
D both a and b
E none of the above

Answer: C
Select the example of network database

A IDMS
B Ingress
C Unify
D both a and b
E None of the above

Answer: A
Select valid record-based data model

A Object-oriented model
B object related model
C Entity-relationship model
D both a nad b
E Relational mode

Answer: B
SET concept used in _________?

A Relational model
B Hierarchical model
C Network model
D both a and b
E None of the above

Answer: C

A view of database that appears to an application program is called:

A schema
B low schema
C virtual table
D both a and b
E subschema

Database Exam Questions And Answers Pdf

Answer: D
Select the DBMS, which provide supports full-fledged client server application development

A dBASEIV
B Ingress
C FoxPro 2.1
D Oracle 7.1
E none of the above

Answer: D
In database a top-to-bottom relationship between the items is formed by a

A Relational schema
B Network schema
C Hierarchical schema
D All of the above
E none of these

Answer: C
Which level of data abstraction which define how the data is actually stored is

A conceptual level
B file level
C physical level
D none of these
E all of the above

Answer: Option C
group of information stored in a database at a specific moment is

A instance
B schema
C view
D both a and b
E None of the above

Answer: A

The user querry syantax is varified by

A query optimizer
B parser
C DBA
D DBMS
E None of the above

Answer: B
Which statement is correct about data model:

A Set of basic operations on the database
B Used to describe structure of a database
C Both A and B
D All of the above
E None of these

Answer: C
In a hierarchical database, a hashing function is used for location________?:

A Primary key
B Collisions
C Root
D Duplicate records
E all of the above

Answer: C
DBA abbrivated as Database Administrator

A Data Bank Access
B Database Access
C Data Bank Administration
D Database Administrator
E none of the above

Answer: Option A
identify properties of entities

A Attributes
B Table
C Groups
D Switchboards
E all of the aabove

Answer: A

DBMS will act as between the users and the database

A barrier
B obstacle
C referee
D interface
E none of the above

Answer: D
Select object that not belong to database

A cursor
B sequence
C index
D trigger
E all of the above

Answer: A

More MCQs Of Database Systems

1. SET 1: database design mcqs (database design mcqs )
2. SET 2: database mcqs with answers pdf (database mcqs with answers pdf )
3. SET 3: modern database management 12th edition mcqs (modern database management 12th edition mcqs)
4. SET 4: database systems mcqs (database systems mcqs)
5. SET 5: dbms mcqs (dbms mcqs )
6. SET 6: dbms mcqs with answers (dbms mcqs with answers)
7. SET 7: solved mcqs of dbms (solved mcqs of dbms)
8. SET 8: dbms mcqs with answers pdf(dbms mcqs with answers pdf)
9. SET 9: relational database management system mcqs(relational database management system mcqs)
10. SET 10: solved mcqs of database management system(solved mcqs of database management system)
11. SET 11: basic database mcqs pdf (basic database mcqs pdf)
12. SET 12: relational database management system mcqs (relational database management system mcqs )
13. SET 13: database mcqs online test (database mcqs online test)
14. SET 14: database interview questions mcqs (database interview questions mcqs)
15. SET 15: database developer mcqs (database developer mcqs)
16. SET 16: database Repeated mcqs (database Repeated mcqs)
17. SET 17: Database mcqs PPSC (Database mcqs PPSC)
18. SET 18: Database mcqs FPSC (Database mcqs FPSC)
19. SET 19: DBMS mcqs FPSC (DBMS mcqs FPSC)

Sql Hr Database Questions And Answers

• How to write a resume for a job search: Tips for applicants - May 11, 2021
• The Best Tool to Test the Speed of Your Internet - May 5, 2021
• Why do we need various number systems in computer science? - April 16, 2021

Oracle Database Questions And Answers