MCQS Database Systems- for educator job IT – Set 8

By: Prof. Dr. Fazal Rehman | Last updated: September 23, 2024

MCQS Database Systems- for educator job IT – Set 8

Multiple Choice Questions

Set 8

• What is the compassion operator in the  SQL

1. ==
2. +
3. ++
4. AND or OR
   Answer - Click Here:

   1

• In which type of operator Venn diagram are possible to be used____

1. Relation operator
2. Comparison operator
3. Xor or AND operator
4. Boolean
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   1

• What is possible output of the query SELECT PRODUCT FROM PRODUCT WHERE STANDARD PRICE>199 AND STANDARD_PRICE<301_______

1. Coffee table 980 , computer desk 350
2. Coffee table 400 , computer desk 150
3. Coffee table 900 , computer desk 250
4. Coffee table 200 , computer desk 250
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   4

• Which type of table are not possible to maintain____

1. Virtual table
2. Real data
3. Real table
4. Virtual data
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   1

• The single value returned by the previous aggregate function is called______

1. Vector aggregate
2. Query aggregate
3. Scalar aggregate
4. Qualifier aggregate
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   3

• What is the purpose of the primary key_____

1. To show uniqueness of the row/column
2. To show same things of the row/column
3. To show contract between and same attributes.
4. Both a and b
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   4

• Application moved from machine to machine when each machine uses SQL

1. Application portability
2. Application longevity
3. Application productivity
4. Application reduced training cost
   Answer - Click Here:

   1

• Different DBMS and application programs can more easily communicate and cooprate in managing data and processing user programs are called___

1. Reduced dependence
2. Cross system communication
3. Productivity
4. Professionalism
   Answer - Click Here:

   1

• A large pool of IS professional trained in a common language reduce retraining when hiring new employs ______

1. Reduced training cost
2. Productivity
3. Longevity
4. System communication
   Answer - Click Here:

   1

• What is FIPS stand for______

1. Fundamental information processing standard
2. Fetch information processing standard
3. Federal information processing standard
4. French information processing standard
   Answer - Click Here:

   3

 

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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9. SET 9: relational database management system mcqs(relational database management system mcqs)
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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)
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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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