11th Grade Joins & Subqueries Quizzes, Questions & Answers

11th Grade

Top Trending Joins & Subqueries Quizzes

This Outer Join Basics Quiz tests your understanding of SQL joins and subqueries at an intermediate level. Learn how LEFT, RIGHT, and FULL OUTER joins differ from INNER joins, and master subqueries in WHERE and FROM clauses....

Questions: 15 | Attempts: 12 | Last updated: May 1, 2026

Sample Question 1
Which type of join returns all rows from the left table and matching rows from the right table?

INNER JOIN

LEFT OUTER JOIN

RIGHT OUTER JOIN

CROSS JOIN

Sample Question 2
What is the main difference between INNER JOIN and OUTER JOIN?

OUTER JOIN is faster

OUTER JOIN includes unmatched rows from one or both tables

INNER JOIN uses WHERE clause only

OUTER JOIN requires three tables

Sample Question 3
Which join type returns all rows from both tables, even if there is no match?

LEFT OUTER JOIN

INNER JOIN

FULL OUTER JOIN

NATURAL JOIN

Recent Joins & Subqueries Quizzes

Inner Join Basics Quiz

This Inner Join Basics Quiz tests your understanding of how to combine data from multiple tables using SQL joins and subqueries. You'll explore fundamental concepts like matching rows, filtering results, and writing efficient...

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

Sample Question
What does an INNER JOIN return?

Only rows that match in both tables

All rows from the left table

All rows from both tables

Rows that don't match in either table