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Questions and Answers
Which of the following best defines a database management system (DBMS)?
Which of the following best defines a database management system (DBMS)?
- Organized data or processed data
- A software used to manage databases (correct)
- A collection of inter-related data
- Data about data
What is the meaning of the term 'metadata'?
What is the meaning of the term 'metadata'?
- Organized data or processed data
- A software used to manage databases
- Data about data (correct)
- A collection of inter-related data
What does the term 'data' refer to?
What does the term 'data' refer to?
- Data about data
- Organized data or processed data
- Single piece of information (correct)
- A collection of inter-related data
What is the purpose of a database in a DBMS?
What is the purpose of a database in a DBMS?
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What does the term 'information' mean in the context of a DBMS?
What does the term 'information' mean in the context of a DBMS?
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Study Notes
Database Management System (DBMS)
- A database management system (DBMS) is a software system that allows definition, creation, querying, update, and administration of databases.
Key Concepts in DBMS
- Metadata: refers to the data that describes the structure, organization, and content of a database, such as table names, field names, and data types.
- Data: refers to the facts, figures, and raw information stored in a database, which can be in the form of numbers, words, images, or sounds.
- Database: a collection of organized data, typically in a digital form, that is stored in a way that allows for efficient retrieval and manipulation.
- Information: in the context of a DBMS, refers to the organized and structured data that is processed and presented in a meaningful and useful way to support decision-making, problem-solving, or other tasks.
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