SQL

This page is about the skill SQL, which is one of more than 40 technical skills you can assess on Alooba. The SQL skill is mainly about how to correctly query databases for data analysis purposes. Participants will need to do things like: write SQL to solve business problems, identify the right SQL to answer a business problem, identify errors in SQL code, identify the output of SQL code, correctly construct SQL statements, interpret business questions as SQL statements etc. Participants will need to understand core concepts like aggregating, joining, unioning, filtering and grouping.

Check out the other skills here.

What types of things are included in the SQL skill?

The SQL skill assesses knowledge of topics like aggregation using sum, count, max, rank, windowed aggregate etc., filtering (using where and having), grouping, ordering, updates, deletes, inserts etc.

Which types of roles require good SQL skills?

SQL is a commonly assessed skill for roles such as Software Engineer, Backend Engineer, Data Analyst, Product Analyst, Data Engineers & Data Scientists.

Why should we test someone’s SQL skills?

A critical part of running an ethical hiring process that’s fair and meritocratic is having objective measures of someone’s skills. Why does ethical hiring matter? Simple - it helps you hire the best person for the job.

Robert Half reported that the cost of a bad hire is on average 15-21% of the employee’s salary.

What was the most common reason for mis-hires? A lack of the right technical skills. This a true hiring own-goal, as it’s so easily preventable through a valid, thorough skills assessment.

So, if your role requires a candidate to know SQL well, you can validate that with Alooba Assess.

Can I test my current team’s SQL skills too?

Yes you sure can. You can assess their skills using Alooba Growth.

Which tests can I find the SQL skill in?

SQL can be assessed through the dedicated live SQL test, Concepts & Knowledge test & Free Response test. The Free Response Test includes different answer options like written responses, video answers and diagram answers.

Can I add my own SQL questions?

Yes, you can add your own SQL questions via the question bank.

How do I get access to Alooba to test SQL skills?

Feel free to reach out and book a quick discovery call here.

How difficult is the SQL skill?

Each question on Alooba is categorized by difficulty - Easy, Medium & Hard. You can set the difficulty level to whatever you like by picking and choosing the questions that you want to include.

What else can I assess with Alooba?

You can also assess someone’s intelligence, their personality type and critical soft skills, like communication.