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Questions and Answers
What is a Database Management System (DBMS)?
What is a Database Management System (DBMS)?
It refers to an information from a computer application which interacts with its database.
Which of the following are major components of a Database? (Select all that apply)
Which of the following are major components of a Database? (Select all that apply)
- Database Access Language (correct)
- Data Redundancy
- Data (correct)
- Hardware (correct)
- Software (correct)
Data from websites and applications are the only type of data managed by a Database Management System.
Data from websites and applications are the only type of data managed by a Database Management System.
False (B)
What are the advantages of using a DBMS?
What are the advantages of using a DBMS?
The program language used to write commands in a database is called ___.
The program language used to write commands in a database is called ___.
What does the procedure in a DBMS refer to?
What does the procedure in a DBMS refer to?
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Study Notes
Introduction to Database
- A database is structured data that is stored for future access and updates.
- It is utilized across various establishments to manage and manipulate data for transactions.
- Data can originate from numerous sources, not limited to websites or applications, extending to physical files in a File System.
Database Management System (DBMS)
- DBMS refers to software that interacts with the database and allows for data management.
- It can be accessed via local servers or remotely.
Major Components of DBMS
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Hardware
- Comprises the physical components of a computer, including storage drives and input/output devices (keyboard, mouse, monitor).
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Software
- A collection of programs that provide a user-friendly interface for managing and manipulating the database.
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Data
- Organized and stored information that includes end-user data and metadata, which describes data attributes and relationships.
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Procedures
- Instructions designed to help users manage the database system, including installation, backup, restoration, and reporting operations.
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Database Access Language
- A programming language used to write commands for data operations: Create, Read, Update, and Delete (CRUD).
Advantages of DBMS
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Reduction of Data Redundancy
- Minimizes duplicate data across the database.
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Data Integrity
- Ensures accuracy and consistency of data within the database.
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Data Security
- Protects data from unauthorized access and breaches.
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Data Sharing
- Facilitates collaboration and access among multiple users.
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Backup and Restore Data
- Provides mechanisms to securely back up data and restore it when necessary.
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Improved Data Administration
- Enhances efficiency in managing the database system and its operations.
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