
База данных
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10th Grade

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15 questions
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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 physical storage device for files.
A database is an organized collection of data that can be easily accessed, managed, and updated.
A database is a collection of random data without structure.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a database management system (DBMS)?
To manage user interface design
To create and design websites
The purpose of a database management system (DBMS) is to manage and organize data in a structured way.
To perform complex mathematical calculations
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name three types of databases.
Object-oriented
Graph
Flat-file
Relational, NoSQL, In-memory
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is SQL and what is it used for?
SQL is a markup language for designing websites.
SQL is used for creating web applications.
SQL is a programming language used for managing and manipulating relational databases.
SQL is a type of spreadsheet software.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the acronym ACID stand for in database management?
Accessibility, Compatibility, Integrity, Durability
Atomicity, Consistency, Isolation, Accessibility
Accuracy, Clarity, Integrity, Stability
Atomicity, Consistency, Isolation, Durability
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a primary key in a database?
A primary key is a unique identifier for a record in a database.
A primary key is a type of foreign key.
A primary key can be duplicated across records.
A primary key is used to store large amounts of data.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a foreign key?
A foreign key is a unique identifier for a table.
A foreign key is a type of primary key.
A foreign key is a field that contains only null values.
A foreign key is a field in a table that links to the primary key of another table.
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