SQL Query Online Test

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The SQL Query online test assesses candidates' knowledge of SQL queries.

It's an ideal test for pre-employment screening. A good database admin, back-end developer, or data analyst needs a solid understanding of SQL to interface and access an SQL database efficiently.

This online test requires candidates to write SQL queries that extract, combine, and manipulate data.

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Free Sample Questions for SQL Query Test

Our sample questions are free for companies to use on a trial plan. See more about our premium questions for paid plans below.



SQL Aggregation Select Public

Given the following data definition, write a query that returns the number of students whose first name is John. String comparisons should be case sensitive.

TABLE students
   firstName VARCHAR(30) NOT NULL,
   lastName VARCHAR(30) NOT NULL



SQL Select Union Public

Information about pets is kept in two separate tables:

TABLE dogs

TABLE cats

Write a query that select all distinct pet names.

See the example case for more details.

Social Network


SQL Conditions Left Join Select Public

A new social network site has the following data tables:

id name sex
1 Ann null
2 Steve m
3 Mary f
4 Brenda f
user1 user2
1 2
1 3
2 3

Select data that will be returned by the following SQL query:

SELECT, COUNT(*) as count FROM users
LEFT JOIN friends
ON = friends.user1 OR = friends.user2
WHERE = 'f'

(Select all acceptable answers.)

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Premium Questions for SQL Query Test

TestDome offers a premium questions library with 1000+ unique, hand-crafted questions whose answers can’t be found online. If you spot an answer somewhere online, we’ll give you a refund.

Question Names

These premium questions are included in this pre-built test and can be added to any multi-skill test. Please sign up for a paid plan to view the questions in detail.

Authors, Cheapest Product, Countries, Developers, Employee Manager, Merge Stock Index, Movies, Movies Live, Rectangles, Retirees, Sales, Tasks, Youngest Child, Average Salary, Auto Show, Poll, Student Rankings, Student Max Score, Matching Clothes, Agents, Manager Sales, Movie Genres, Student Activities, Welfare Organization, Transactions
Covered Skills

Testing of these skills is covered in this pre-built test because they’re closely related. On our paid plan, you can easily create your own custom multi-skill tests.

SQL Conditions Select Aggregation Subqueries Ordering Bug Fixing Left Join Union Group by Insert Joins SQL CASE Performance Tuning Right Join CTE
Recommended Job Roles

These are the job roles that we recommend for the SQL Query online test.

Data Analyst
Database Administrator
SQL Developer

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