Introduction to Databases Quiz

What is a database?

• A hardware component

• A type of software

• A collection of unrelated data

• An organized collection of data

What do rows in a database represent?

• Queries for data retrieval

• Types of databases

• Individual entries or records

• Attributes of data

What is a column in a database?

• A unique identifier

• A complete set of data

• A specific piece of information

• A type of query

What is a primary key?

• A method for data entry

• A type of database

• A field that can identify records

• A unique identifier for each record

What is a secondary key?

• A type of query

• A field that can uniquely identify records but is not as unique as the primary key

• A method for data validation

• A unique identifier for each record

What type of database organizes data into tables?

• Relational Databases

• Object-Oriented Databases

• Flat File Databases

• NoSQL Databases

What do NoSQL databases handle?

• Unstructured data

• Only text data

• Structured data only

• Small datasets

What is a query?

• A method for data entry

• A report format

• A request to retrieve information from a database

• A type of database

What are criteria used for in a query?

• To filter the data returned

• To create reports

• To define database fields

• To input new data

What is the purpose of reports in databases?

• To define records

• To create queries

• To present data in a structured way

• To input new data