DATA MANAGEMENT VS. INFORMATION MANAGEMENT:
CONCEPTS, EVOLUTION, AND TRENDS Questions with Correct
Solutions
Question:
1. Data Management
Answer:
A subset of information management that comprises all disciplines related to managing data
as a valuable organizational resource.
Question:
2. Information Management
Answer:
An organizational program that manages the people, processes, and technology that provide
control over the structure, processing, delivery, and usage of information required for
management and business intelligence purposes.
Question:
3. Manual File Systems & Punch Cards
Answer:
Data stored in physical cards or sequential files.
Question:
4. Contributions of Manual File Systems
Answer:
First attempt to organize data; COBOL and assembly languages emerged.
Question:
5. Limitations of Manual File Systems
Answer:
Redundant data, no searchability, hard to maintain.
Question:
6. Network & Hierarchical DBMS
Answer:
Systems like IDS and IBM IMS; tree or graph-based data models.
, Question:
7. Contributions of Network & Hierarchical DBMS
Answer:
Introduced structured data storage; data models based on relationships.
Question:
8. Limitations of Network & Hierarchical DBMS
Answer:
Complex data navigation, rigid structure.
Question:
9. Relational DBMS (RDBMS)
Answer:
Edgar Codd's model: tabular data + SQL querying.
Question:
10. Contributions of Relational DBMS
Answer:
Data independence, normalization, and standardization (SQL).
Question:
11. Limitations of Relational DBMS
Answer:
Performance issues at scale; limited handling of unstructured data.
Question:
12. Data Warehousing & DSS
Answer:
Centralized analytical databases; Decision Support Systems.
Question:
13. Contributions of Data Warehousing & DSS
Answer:
ETL processes, OLAP cubes, business intelligence begins.
CONCEPTS, EVOLUTION, AND TRENDS Questions with Correct
Solutions
Question:
1. Data Management
Answer:
A subset of information management that comprises all disciplines related to managing data
as a valuable organizational resource.
Question:
2. Information Management
Answer:
An organizational program that manages the people, processes, and technology that provide
control over the structure, processing, delivery, and usage of information required for
management and business intelligence purposes.
Question:
3. Manual File Systems & Punch Cards
Answer:
Data stored in physical cards or sequential files.
Question:
4. Contributions of Manual File Systems
Answer:
First attempt to organize data; COBOL and assembly languages emerged.
Question:
5. Limitations of Manual File Systems
Answer:
Redundant data, no searchability, hard to maintain.
Question:
6. Network & Hierarchical DBMS
Answer:
Systems like IDS and IBM IMS; tree or graph-based data models.
, Question:
7. Contributions of Network & Hierarchical DBMS
Answer:
Introduced structured data storage; data models based on relationships.
Question:
8. Limitations of Network & Hierarchical DBMS
Answer:
Complex data navigation, rigid structure.
Question:
9. Relational DBMS (RDBMS)
Answer:
Edgar Codd's model: tabular data + SQL querying.
Question:
10. Contributions of Relational DBMS
Answer:
Data independence, normalization, and standardization (SQL).
Question:
11. Limitations of Relational DBMS
Answer:
Performance issues at scale; limited handling of unstructured data.
Question:
12. Data Warehousing & DSS
Answer:
Centralized analytical databases; Decision Support Systems.
Question:
13. Contributions of Data Warehousing & DSS
Answer:
ETL processes, OLAP cubes, business intelligence begins.