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WorksheetsIntroduction to Databases Quiz
Total questions: 14
Worksheet time: 7mins
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
What do data entry forms do?
Retrieve information from a database
Input new data into a database
Filter data in queries
Present data in reports
What is a field in a database?
A single piece of information stored within a record
A method for data retrieval
A complete set of data
A type of query
What is a record in a database?
A method for data entry
A type of database
A complete set of data for a single item or person
A unique identifier
What is the main advantage of databases?
They are only for large companies
They require no maintenance
They can manage and organize data effectively
They are easy to use
