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Quiz - SQL - 1
Select the right answer for below questions:
What is SQL?
Structured Query Language
Simple Query Language
Syntax Query Language
System Query Language
Structured Query Language
What is a database management system?
A program that allows you to store, organize and retrieve data from a computer
A system that stores and manages data in a structured way
A type of programming language
A tool for managing software
A system that stores and manages data in a structured way
What is a database table?
A group of columns
A group of rows
A group of cells
A group of values
A group of rows
What is a primary key in a database table?
A unique identifier for each record in the table
A field used to sort the data in the table
A field used to group the data in the table
A field used to filter the data in the table
A unique identifier for each record in the table
What is the purpose of the SELECT statement in SQL?
To retrieve data from a database
To add data to a database
To update data in a database
To delete data from a database
To retrieve data from a database
What is the purpose of the WHERE clause in a SELECT statement?
To filter the results of a query
To sort the results of a query
To group the results of a query
To limit the number of results returned by a query
To filter the results of a query
What is the purpose of the GROUP BY clause in a SELECT statement?
To filter the results of a query
To sort the results of a query
To group the results of a query
To limit the number of results returned by a query
To group the results of a query
What is the purpose of the JOIN clause in a SELECT statement?
To combine data from two or more tables
To filter the results of a query
To sort the results of a query
To group the results of a query
To combine data from two or more tables
What is the purpose of the INSERT statement in SQL?
To retrieve data from a database
To add data to a database
To update data in a database
To delete data from a database
To add data to a database
What is the purpose of the UPDATE statement in SQL?
To retrieve data from a database
To add data to a database
To update data in a database
To delete data from a database
To update data in a database
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