Unit 1a

What is a database?

• A software used for sending and receiving email.

• A program used for creating and managing websites.

• A tool used for creating and editing graphics.

• A collection of related information stored and organized in a way that allows easy access and retrieval of data.

What is the primary purpose of a database?

• To edit and manipulate images.

• To design and publish websites.

• To store and manage large amounts of structured data.

• To send and receive email.

 What is the concept of a universe of discourse in a database?

• The set of all possible values that can be stored in a database.

• The set of all relationships and constraints between data in a database.

• The set of all users who have access to a database.

• The set of all software applications that can interact with a database.

    What are some examples of database management systems (DBMS)?

• Microsoft Access, MySQL, and Oracle.

• Adobe Photoshop, GIMP, and Inkscape.

• WordPress, Joomla, and Drupal.

• Gmail, Yahoo Mail, and Outlook.

What factors influence the size and complexity of a database?

• The amount and type of data being stored.

• The number of users accessing the database simultaneously.

• The frequency and complexity of data retrieval and manipulation operations.

• All of the above.