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Adaface Public SQL Questions

Here are some sample SQL questions from our premium questions library (10273 non-googleable questions).
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Multi Select - Consider the following SQL tab
SQLMedium2 min
Select & IN - Consider the following SQL tab
SQLEasy3 min
With, AVG & SUM - Consider the following SQL tab
SQLMedium2 min

Looking to screen SQL skills? Hire great candidates with Adaface conversational assessments

Adaface SQL ready-to-go tests are designed by experts to evaluate on-the-job skills

Adaface SQL questions are used by enterprises worldwide

Morgan Stanley
SG Government
Ernst and Young
Optimum Solutions
United Nations
Love Bonito
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About Adaface SQL Questions

Adaface SQL questions are designed by SQL experts to test for on-the-jobs skills, not just theoretical knowledge. Some of the popular topics the questions will cover are:

  • SQL Query Types
  • SQL Comparison Operators
  • SQL Joins
  • SQL Aliases
  • SQL Clauses
  • SQL Functions
  • SQL Conditions
  • SQL Tables and Views
  • SQL Keys, Constraints and Indexes
  • SQL Data Types
  • SQL Programming

Types of SQL Questions to expect at Adaface:

The following statements describe the type of SQL questions one can expect when using Adaface's pre-assessment tool:

  • Practical implication based SQL queries
  • Real on-the-job SQL specific scenario-based problems
  • Evaluations to test analytical thinking while solving problems
  • Progressive difficulty based SQL problems

What Topics are Adaface SQL questions based on:

The Adaface SQL questions cover a variety of diverse topics to help assess the most ideal SQL candidate

  • Multi-Select
  • Select & IN
  • AVG & SUM
  • Primary Key Constraints
  • Foreign Key Constraints
  • Query
  • Clustered Index
  • Non-clustered Index
  • Normalization
  • Virtual Table
  • Pattern Matching in SQL
  • Recursive Stored Procedure
  • Aggregate Functions
  • Scalar Functions

How are Adaface SQL questions customized?

  • Adaface SQL questions are customized for different difficulty levels and solving durations.
  • Customized to assess Ideal candidate personas for the right jobs
  • Tests for specific on-the-job SQL skills
  • Non-googleable questions to prevent cheating during tests

Do’s and Don’ts of selecting SQL questions for assessments:


  • Use diversified questions from varied SQL topics to test the skill range of candidates
  • Utilize questions of different difficulty levels to test candidates
  • Include questions that are related to on-the-job skill requirements
  • Pick questions that are relevant for the experience level you are targeting
  • Make sure the questions can be understood by a non-native English speaker (easy-to-read questions because programmers should spend time solving the question, not understanding it)
  • Ensure that the questions have a granular (non-binary) scoring
  • Use aptly timed assessments that can be fulfilled within 45-60 mins to make the most optimal use of the time utilized


  • Avoid using trick questions to test the candidates as they are ineffective in testing their on-the-job skills
  • Avoid using lengthy questions as they do not provide an ideal scenario to test the candidates
  • Avoid unnecessary puzzle trends as they are ineffective in assessing the skills required for the job
  • Avoid questions that test very niche concepts that a strong candidate might or might not have come across on-the-job
  • Do not include unnecessarily difficult questions that might or might not test the candidates potential
Search Adaface Public Questions
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Want more questions? Here are some more sample questions from our library
🧐 Question🔧 Skill💪 Difficulty⌛ Time
New requirements outside scope - Sam is a business analyst. The
Business AnalysisEasy2 min
Floating points - Check the following Jest tests
JestEasy2 min
ER Diagram and minimum tables - Look at the given ER diagram.
ER Diagram
Data ModelingMedium2 min
Incorrect URL - Steven, who is the PM at our s
Product ManagementEasy2 min
Query retired people - An HRTech startup has the foll
DjangoEasy2 min
Dataframe Transform - Review the following Dataframe
RMedium3 min
Inheritance Chain - Check the following C# code:
ASP.NETMedium2 min

We evaluated several of their competitors and found Adaface to be the most compelling. Great default library of questions that are designed to test for fit rather than memorization of algorithms.

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