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141 interview questionsfor ML Engineer (2026)

Test your technical skills before an interview of ML Engineer with 141 corrected questions. Beginner, Intermediate or Expert level.

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141 questions
Easy
55 votes3798 runs0 comment

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

Back-end developer
sql
select
where
Anonymous authorat Mar 30, 2023
Hard
27 votes2676 runs
1 comment

Write a Python function that prints the elements of a list.

Back-end developer
list
for loop
Anonymous authorat Mar 28, 2022
Easy
21 votes3760 runs0 comment

Write a SQL query to insert data into a table

Back-end developer
sql
insert
Anonymous authorat Mar 27, 2023
Easy
21 votes3746 runs0 comment

Select only distinct values in a column using SQL

Back-end developer
sql
distinct
Anonymous authorat Mar 27, 2023
Medium
21 votes1636 runs0 comment

How to handle missing data in a given training data set ?

Data Scientist
machine learning
missing data
Martinat Apr 4, 2022
Easy
19 votes3649 runs1 comment

Update a column in an SQL table

Back-end developer
sql
update
Anonymous authorat Nov 7, 2023
Easy
18 votes942 runs0 comment

What is the missing word in the following sentence: Overfitting is the production of a model that corresponds too closely to the training data set and may therefore fail to fit other data sets and so fail to perform any reliable forecast.

Data Scientist
overfitting
Martinat Mar 14, 2022
Easy
17 votes3721 runs0 comment

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

Back-end developer
sql
order by
Anonymous authorat Mar 27, 2023
Easy
16 votes917 runs0 comment

What is the relation between Artificial intelligence (AI), machine learning and deep learning?

Data Scientist
machine learning
deep learning
Martinat Sep 19, 2022
Medium
14 votes3689 runs4 comments

Write the SQL query to delete a column from a table

Back-end developer
sql
table
column
Anonymous authorat Mar 27, 2023
Medium
12 votes2431 runs0 comment

Use the zip() function to iterate over two lists in parallel.

Back-end developer
list
zip
Anonymous authorat Mar 28, 2022
Medium
12 votes1589 runs0 comment

The validation set is used to provide frequent and unbiased evaluations of the model’s fit on the training set while tuning its hyperparameters/parameters: in other words,the model is found and then tested on the validation set before to be improved once again.

Data Scientist
hyperparameters
model
Martinat Mar 15, 2022
Medium
12 votes1481 runs0 comment

How to handle missing data in a given training data set ?

Data Scientist
machine learning
missing data
Martinat Apr 4, 2022
Easy
12 votes1127 runs0 comment

What is the value of the decision threshold used with logistic regression in Scikit-learn?

Data Scientist
scikit-learn
threshold
logistic regression
Anonymous authorat Apr 6, 2022
Easy
11 votes3657 runs0 comment

How to delete an SQL table?

Back-end developer
sql
tables
Anonymous authorat Mar 27, 2023
Easy
11 votes3636 runs0 comment

Count the number of rows in an SQL table

Back-end developer
sql
count
Anonymous authorat Mar 27, 2023
Easy
11 votes3545 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
Anonymous authorat Mar 28, 2023
Easy
11 votes2395 runs0 comment

What type is `function_a` in the following code ?

Back-end developer
functions
decorators
Anonymous authorat Mar 28, 2022
Easy
10 votes3545 runs
2 comments

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

Back-end developer
sql
update
salary
Anonymous authorat Mar 28, 2023
Easy
10 votes680 runs0 comment

Which command in PostgreSQL is used to delete a database?

Data Scientist
abdelghaniat Apr 19, 2024
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