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Questions and Answers
How is data stored in a database?
How is data stored in a database?
- In a network model
- In flat text files
- In tables with rows and columns (correct)
- In a hierarchical structure
What is the purpose of a database?
What is the purpose of a database?
- To analyze complex data structures
- To create visual representations of data
- To automate business processes
- To help people track things of interest to them (correct)
What is the function of a database management system (DBMS)?
What is the function of a database management system (DBMS)?
- To generate reports from the database
- To perform statistical analysis on the data
- To design the layout of database tables
- To define, retrieve, and manipulate data in the database (correct)
What does each row in a table store?
What does each row in a table store?
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What is the term used to define what is contained within the database?
What is the term used to define what is contained within the database?
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Study Notes
Data Storage in a Database
- Data is stored in a database in the form of tables, which consist of rows and columns.
- Each column represents a field or attribute of the data, while each row represents a single record or tuple.
Purpose of a Database
- The primary purpose of a database is to store, organize, and retrieve data efficiently.
Function of a Database Management System (DBMS)
- A DBMS is a software system that allows users to define, create, maintain, and manipulate databases.
- It provides a way to control data access, enforce data integrity, and manage data security.
Contents of a Table Row
- Each row in a table stores a single record or tuple, which is a collection of related data values.
Definition of Database Contents
- The term "schema" is used to define what is contained within the database, including the structure of the tables, relationships between them, and the constraints on the data.
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