Data basics MCQ’s

Data basics MCQ’s

1. The file extension for database files is

A. xls

B. txt

C. mpg

D. mdb

2. Which of the following is considered to be the object?

A. Address

B. Name

C. Roll_no

D. All of these

3. Which of the following is not the feature of DBMS?

A. Query language

B. Update

C. Data dictionary

D. Backup & recovery

4. Synonym problem occurs in which file

A. Indexed files

B. Sequential files

C. Random files

D. All of these

5. The name of person is used to represent

A. File

B. Record

C. Field

D. None of these

6. Arranging data in proper order is …

A. Classifying

B. Data caputring

C. Sorting

D. Summarizing

7. Row of table represents …

A. File

B. Record

C. Field

D. Data

8. Processed form of data is …

A. Object

B. Raw data

C. Information

D. Article

9. Inverted tree is used in …

A. Hierarchical model

B. Relational model

C. Network model

D. Descriptive model

10. Computerized data keeping system is … 

A. Data system

B. DBMS

C. Database system

D. None of these

11. Separation of data structure of database from application program is …

A. Data model

B. Data structure

C. Data independence

D. Data integrity

12. The lost data is recovered by …

A. Data file

B. Program files

C. Backup files

D. Master files

 

More MCQs Of Database Systems

1. Database Models MCQs in DBMS
   1. Hierarchical model MCQs in DBMS
   2. Network model MCQs in DBMS
   3. Relational model MCQs in DBMS
   4. Object-oriented model MCQs in DBMS
   5. NoSQL databases MCQs in DBMS
2. Relational Database Model MCQs in DBMS
   1. tables, attributes, tuples, and relations MCQs in DBMS
   2. Primary keys and foreign keys MCQs in DBMS
   3. Integrity constraints MCQs in DBMS
3. SQL (Structured Query Language) MCQs in DBMS
   1. Data Definition Language (DDL) MCQs in DBMS
   2. Data Manipulation Language (DML) MCQs in DBMS
   3. Data Control Language (DCL) MCQs in DBMS
   4. Transaction Control Language (TCL) MCQs in DBMS
   5. Advanced SQL queries and functions MCQs in DBMS
4. Database Design MCQs in DBMS
   1. Entity-Relationship (ER) modeling MCQs in DBMS
   2. Extended ER modeling MCQs in DBMS
   3. Normalization and normal forms (1NF, 2NF, 3NF, BCNF) MCQs in DBMS
   4. Denormalization MCQs in DBMS
5. Database Management System Architecture MCQs in DBMS
   1. Three-schema architecture (external, conceptual, internal) MCQs in DBMS
   2. Data independence MCQs in DBMS
   3. DBMS components and functions MCQs in DBMS
6. Storage and File Structure MCQs in DBMS
   1. Data storage on physical media MCQs in DBMS
   2. File organization and access methods MCQs
   3. Indexing (B-trees, hash indexing) MCQs in DBMS
   4. RAID technology MCQs in DBMS
7. Query Processing and Optimization MCQs in DBMS
8. Database Transaction Management MCQs in DBMS
   1. ACID properties (Atomicity, Consistency, Isolation, Durability) MCQs in DBMS
   2. Transaction states and lifecycle MCQs in DBMS
   3. Concurrency control techniques (locking, timestamping, multiversion) MCQs in DBMS
   4. Deadlock detection and resolution MCQs in DBMS
9. Database Security and Authorization MCQs in DBMS
   1. Authentication and authorization mechanisms MCQs in DBMS
   2. Data encryption techniques MCQs in DBMS
   3. Role-based access control MCQs in DBMS
   4. SQL injection prevention MCQs in DBMS
10. Backup and Recovery MCQs in DBMS
    1. Backup types and strategies MCQs in DBMS
    2. Recovery techniques (log-based, shadow paging) MCQs in DBMS
    3. Disaster recovery planning MCQs in DBMS
11. Distributed Databases MCQs in DBMS
    1. Distributed database architecture MCQs MCQs in DBMS
    2. Data fragmentation, replication, and allocation in DBMS
    3. Distributed query processing MCQs in DBMS
    4. Consistency models and protocols MCQs in DBMS

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