Job offersCompaniesTestsBlogI'm an employerSign upLog in
fr
fr
Home>IT Tests>Questions>SQL - Fundamentals

37 interview questions on SQL - Fundamentalsfor developers (2025)

Test your technical skills before an interview of SQL - Fundamentals with 37 corrected questions. Beginner, Intermediate or Expert level.

or
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
3813
To review
35
37 questions
Easy
48 votes3420 runs0 comment

Write a SQL query to retrieve the list of employees with a salary greater than 5100.

Back-end developer
sql
select
where
Vincent Cotroat Mar 30, 2023
Easy
19 votes3371 runs0 comment

Select only distinct values in a column using SQL

Back-end developer
sql
distinct
Vincent Cotroat Mar 27, 2023
Easy
19 votes3284 runs1 comment

Update a column in an SQL table

Back-end developer
sql
update
Vincent Cotroat Nov 7, 2023
Easy
17 votes3387 runs0 comment

Write a SQL query to insert data into a table

Back-end developer
sql
insert
Vincent Cotroat Mar 27, 2023
Easy
16 votes3352 runs0 comment

Which SQL keyword is used to sort the result of a SELECT statement?

Back-end developer
sql
order by
Vincent Cotroat Mar 27, 2023
Medium
13 votes3317 runs4 comments

Write the SQL query to delete a column from a table

Back-end developer
sql
table
column
Vincent Cotroat Mar 27, 2023
Easy
12 votes1754 runs
2 comments

Write a SQL query to retrieve the titles of books written by 'John Smith'.

Back-end developer
join
inner join
sql
Vincent Cotroat Sep 6, 2023
Easy
11 votes3298 runs0 comment

How to delete an SQL table?

Back-end developer
sql
tables
Vincent Cotroat Mar 27, 2023
Easy
11 votes3189 runs0 comment

Write a SQL query to retrieve the products with a price less than 1000 and sort the results in descending order of price.

Back-end developer
sql
order by
descending
Vincent Cotroat Mar 28, 2023
Easy
10 votes3274 runs0 comment

Count the number of rows in an SQL table

Back-end developer
sql
count
Vincent Cotroat Mar 27, 2023
Easy
8 votes3190 runs
2 comments

Write a SQL query to increase the salary of all employees by 10%.

Back-end developer
sql
update
salary
Vincent Cotroat Mar 28, 2023
Easy
8 votes3121 runs0 comment

Write a SQL query to get the total order amount for each customer.

Back-end developer
sql
sum
group by
Vincent Cotroat Mar 28, 2023
Easy
8 votes2866 runs1 comment

Write a SQL query to retrieve employees with a salary higher than the average salary.

Back-end developer
sql
average
select
Vincent Cotroat Mar 28, 2023
Medium
8 votes2744 runs2 comments

Write a SQL query to get the order_id and total number of items for each order.

Back-end developer
sql
join
group by
Vincent Cotroat Jan 2, 2024
Easy
6 votes3352 runs
5 comments

Write an INNER JOIN query in SQL

Back-end developer
sql
join
Vincent Cotroat Mar 27, 2023
Easy
6 votes3191 runs0 comment

Write a SQL query to calculate the total quantities sold for each product_id.

Back-end developer
sql
sum
group by
Vincent Cotroat Mar 28, 2023
Easy
6 votes890 runs0 comment

Write a SQL query to get the total sales quantity for each product.

Back-end developer
sql
sum
group by
JOHANat Jul 19, 2024
Easy
4 votes3298 runs
9 comments

Which SQL keyword is used to filter the results of a SELECT statement based on a specified condition?

Back-end developer
sql
select
where
Vincent Cotroat Mar 27, 2023
Medium
4 votes1009 runs1 comment

Write the SQL code to create a table with a primary key

Back-end developer
sql
primary key
Vincent Cotroat Nov 15, 2023
Easy
3 votes744 runs0 comment

Which SQL command allows you to define a constraint on the range of values of a column when creating a table?

Back-end developer
sql
constraints
Louis Prevosteauat May 15, 2023