
Joins in SQL and Python

Quiz
•
Computers
•
University
•
Hard
Abdullah Muhammad 201-801-271
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of join returns all rows from the left table and matching rows from the right table, with NULLs in place where there is no match?
INNER JOIN
LEFT JOIN
RIGHT JOIN
FULL JOIN
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which join type returns only the rows where there is a match in both tables?
LEFT JOIN
RIGHT JOIN
FULL JOIN
INNER JOIN
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In SQL, which join type returns all rows when there is a match in either left or right table?
INNER JOIN
LEFT JOIN
RIGHT JOIN
FULL JOIN
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between a LEFT JOIN and a RIGHT JOIN?
LEFT JOIN returns unmatched rows from the right table, RIGHT JOIN returns unmatched rows from the left table
LEFT JOIN returns unmatched rows from the left table, RIGHT JOIN returns unmatched rows from the right table
LEFT JOIN requires matching columns, RIGHT JOIN does not
There is no difference between LEFT JOIN and RIGHT JOIN
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which SQL clause is used to combine rows from two or more tables based on a related column between them?
UNION
JOIN
MERGE
CONCAT
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which join type will return unmatched rows from both the left and right tables, along with the matched rows?
INNER JOIN
LEFT JOIN
RIGHT JOIN
FULL JOIN
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will happen if you perform an INNER JOIN on two tables with no matching rows?
All rows from both tables will be returned
No rows will be returned
Only unmatched rows will be returned
A syntax error will occur
Create a free account and access millions of resources
Similar Resources on Wayground
15 questions
JAVA11

Quiz
•
University
25 questions
Latihan JK4 - GIT

Quiz
•
University
15 questions
ความรู้ทั่วไปเกี่ยวกับquizizz

Quiz
•
University
15 questions
Mastering Data Preparation with Pandas

Quiz
•
University
20 questions
Historial de cambios y gestión de ramas

Quiz
•
9th Grade - University
20 questions
MS Excel Basics

Quiz
•
5th Grade - Professio...
18 questions
Excel Module 2 Review

Quiz
•
11th Grade - University
20 questions
Understanding Inner Joins in SQL

Quiz
•
9th Grade - University
Popular Resources on Wayground
10 questions
Video Games

Quiz
•
6th - 12th Grade
10 questions
Lab Safety Procedures and Guidelines

Interactive video
•
6th - 10th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
10 questions
UPDATED FOREST Kindness 9-22

Lesson
•
9th - 12th Grade
22 questions
Adding Integers

Quiz
•
6th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
20 questions
US Constitution Quiz

Quiz
•
11th Grade
10 questions
Exploring Digital Citizenship Essentials

Interactive video
•
6th - 10th Grade
Discover more resources for Computers
10 questions
Would you rather...

Quiz
•
KG - University
20 questions
Definite and Indefinite Articles in Spanish (Avancemos)

Quiz
•
8th Grade - University
7 questions
Force and Motion

Interactive video
•
4th Grade - University
10 questions
The Constitution, the Articles, and Federalism Crash Course US History

Interactive video
•
11th Grade - University
7 questions
Figurative Language: Idioms, Similes, and Metaphors

Interactive video
•
4th Grade - University
20 questions
Levels of Measurements

Quiz
•
11th Grade - University
16 questions
Water Modeling Activity

Lesson
•
11th Grade - University
10 questions
ACT English prep

Quiz
•
9th Grade - University