MCQS Database Systems- for computer science – Set 12

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

Multiple Choice Questions

Set 12

1. A language that provides a set of operations to support the basic data manipulation operations on the data held in the database is known as.

a) DML      b) DLD

c)DLL         d) DDL

2. Data manipulation operations  includes the following operations:

a) modification of data stored in the database     b) insertion of new data into the database

c) deletion of data from the database                  d) All mentioned

3. Allows any user to inform the system that what data is actually needed and to tell that how to retrieve the data is …?

a) Procedural DML          b) Non-procedural DML

c) Simple DML                d) DDL

4. Allows the user to state that what data is needed rather than how it is to be retrieved is…

a) Procedural DML      b) Non-procedural DML

c) Simple DML            d) DDL

5. Which one is generation language from 4GL_s.

a) Form generators          b) Report generators

c) Graphics generators    d) All mentioned

6. The definition of Data Model is…

a) Represent the conceptual schema that can be understood by the DBMS.

b) Consisting of a set of rules for database construction.

c) Data model constraints, which ensures that the data is accurate

d)Concepts for describing and manipulating the data, relationships and constraints of data.

7. The relational data model is based on the concept of…

a) Numerical relation           b) Physical relation

c) mathematical relations    d) computational relation

8. This module converts DML statements embedded in an application program into standard function calls in the host language is…

a) DML preprocessor       b) DDL compile

c) Catalog manager         d) Command processor

9. There is a famous _____-Tier Client–Server Architecture

a)1                   b)2

c)3                   d)4

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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