11th Grade DQL & Aggregation Quizzes, Questions & Answers

11th Grade

Top Trending DQL & Aggregation Quizzes

Test your understanding of SQL aggregate functions and data query language (DQL) concepts. This SQL Aggregate Functions Quiz covers essential techniques for summarizing data, including COUNT, SUM, AVG, MIN, and MAX functions,...

Questions: 16 | Attempts: 10 | Last updated: May 1, 2026

Sample Question 1
Which SQL aggregate function returns the total number of rows in a table?

COUNT()

SUM()

TOTAL()

ROWS()

Sample Question 2
What does the AVG() function calculate?

Average value of a column

Maximum value in a column

Sum of all values

Number of distinct values

SQL Where Clause Basics Quiz

This SQL Where Clause Basics Quiz tests your understanding of filtering data in SQL queries. Learn to write WHERE conditions, use comparison operators, combine multiple conditions, and apply aggregate functions with GROUP BY and...

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question 1
Which SQL keyword is used to filter rows based on specific conditions?

WHERE

SELECT

FROM

ORDER BY

Sample Question 2
What does the following query return? SELECT * FROM students WHERE age > 18;

All students aged 18

All students older than 18

All students aged 18 and older

The first student over 18

11th Grade DQL & Aggregation Quizzes, Questions & Answers

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