Exploring Database Fundamentals

Exploring Database Fundamentals

University

10 Qs

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Exploring Database Fundamentals

Exploring Database Fundamentals

Assessment

Quiz

Information Technology (IT)

University

Practice Problem

Easy

Created by

SUMAJA SASIDHARAN

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a database?

A database is a type of software used for web browsing.

A database is a programming language for creating applications.

A database is a physical storage device for files.

A database is an organized collection of data that can be easily accessed, managed, and updated.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the main types of databases?

In-memory, Distributed, XML-based

Relational, NoSQL, Object-oriented, Graph

Hierarchical, Time-series, Spatial

Flat-file, Key-value, Document-oriented

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define relational database management system (RDBMS).

A relational database management system (RDBMS) is a system that manages data in a structured format using tables, allowing for relationships between data and supporting SQL for data manipulation.

A database system that does not support SQL for data manipulation.

A type of software that manages only text files and documents.

A system that only stores unstructured data without relationships.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is SQL and its purpose in databases?

SQL is a type of database software.

SQL is used for creating web applications.

SQL is a programming language used to manage and manipulate relational databases.

SQL is a markup language for designing websites.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the concept of primary key in a database.

A primary key is a unique identifier for a record in a database table, ensuring uniqueness and non-null values.

A primary key is used to store large amounts of data in a single record.

A primary key is an optional field that can be left blank.

A primary key can be duplicated across records in a table.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is normalization and why is it important?

Normalization is the technique of compressing data to save space.

Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.

Normalization is the process of deleting all data from a database.

Normalization is a method for increasing data redundancy.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Describe the difference between a table and a view.

A table stores data physically, while a view is a virtual representation of data from one or more tables.

A table is a temporary storage area, while a view is a permanent data structure.

A table is used for calculations, while a view is used for data entry.

A table can only contain one type of data, whereas a view can combine multiple data types.

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