MCQS Database Systems- for admission in software engineering – Set 9

MCQS Database Systems- for admission in software engineering – Set 9

Multiple Choice Questions

Set 9

 

• Which key is used to relate two different table

1. Primary key
2. Foreign key
3. Candidate key
4. Both 1 and 2
   Answer - Click Here:

   2

• Which type of specific word are used to enter the data in table___

1. Insert into table name
2. Save into table name
3. Enter into table name
4. Type into table name
   Answer - Click Here:

   1

• Which is best to make primary key from the following

1. Roll-no
2. Phone number
3. name
4. both 1 and 2
   Answer - Click Here:

   4

• Which is not a function in SQL______

1. MIN
2. COUNT
3. SUM
4. A= R² 
   Answer - Click Here:

   4

• Which is not allowed in an efficient DBMS______

1. Duplicate row
2. Duplicate column
3. Duplicate data
4. All 1,2 and 3
   Answer - Click Here:

   4

• An­__________can be used to automatically fill in certain field values for a new record.

1. Autolook up query
2. Select query    
3. 3.update query
   Answer - Click Here:

   1

 

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

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)

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