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DBMS Functions and Performance

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Questions and Answers

What is the primary difference between data and information?

Data is stored, while information is retrieved.
Data is processed, while information is raw.
Data is used for decision making, while information is used for research.
Data is raw, while information is processed to reveal meaning. (correct)

Why are databases valuable assets for decision making?

Because they provide a means of storing and retrieving data efficiently.
Because they provide raw data for research.
Because they provide processed information for decision making. (correct)
Because they are used only in business settings.

What is the primary reason why modern databases evolved from file systems?

To enhance data storage capacity.
To improve data security.
To improve data retrieval speed.
To overcome flaws in file system data management. (correct)

What is the role of a database management system (DBMS)?

To manage and interact with the database system. (B) Signup and view all the answers

What is a major advantage of using a database system?

It allows for efficient data storage and retrieval. (C) Signup and view all the answers

What is the significance of understanding file system characteristics?

It is important for understanding database evolution. (B) Signup and view all the answers

What is the primary goal of database design?

To manage data efficiently and effectively. (D) Signup and view all the answers

What is a common application of databases in modern settings?

In almost all modern settings involving data management. (A) Signup and view all the answers

What is the primary function of a database system?

To store and retrieve data efficiently. (C) Signup and view all the answers

What is the relationship between data and information?

Information is the result of processing data. (C) Signup and view all the answers