Learning Unit Content Mastery

Front

What is the difference between data and information?

Back

Data are raw facts, while information is the result of processing raw data to reveal meaning.

Front

Why are databases considered valuable assets for decision making?

Back

Databases provide accurate, relevant, and timely information that is essential for good decision making.

Front

What are the main components of a database system?

Back

The main components of a database system include hardware, software, people, procedures, and data.

Front

What is a Database Management System (DBMS)?

Back

A DBMS is a collection of programs that manages the structure and controls access to data in a database.

Front

What are the advantages of using a DBMS?

Back

Advantages include improved data sharing, security, integration, access, decision making, and increased end-user productivity.

Front

What are the types of databases based on the number of users?

Back

Databases can be classified as single-user databases (desktop) and multiuser databases (workgroup and enterprise).

Front

What is the significance of database design?

Back

Good database design facilitates data management and generates accurate and valuable information.

Front

What are the limitations of file systems compared to databases?

Back

File systems require extensive programming, have complex administration, and often contain redundant data.

Front

What is data redundancy?

Back

Data redundancy occurs when the same data is stored unnecessarily in different places.

Front

What is the role of metadata in databases?

Back

Metadata is data about data, providing descriptions of data characteristics and relationships.