What is the primary function of a Database Management System (DBMS)?
A DBMS allows users to define, create, maintain, and control access to databases.
Which language is primarily used for managing data in a relational database?
SQL (Structured Query Language) is used to query and manage data in relational database systems.
What is normalization in databases?
Normalization is the process of organizing data to reduce redundancy and improve data integrity.
Which of the following is a characteristic of relational databases?
Relational databases store data in tables with rows and columns, supporting relationships between entities.
What is the role of an information system in an organization?
Information systems support business operations, decision-making, and strategic planning.
Which component ensures security in a database system?
The security component manages user access, authentication, and data protection mechanisms.
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What is data integrity in a database system?
Data integrity ensures the accuracy and consistency of data throughout its lifecycle.
Which database model is based on objects and classes?
Object-oriented databases use classes and objects to represent data and relationships.
What is a primary key in a database table?
A primary key is a unique identifier for each record in a database table.