Focused practice · SQL Pro
SQL interview mode
Three series of ten challenges to measure pace, score and skills to revisit, without attributing questions to real companies.
Easy, Medium and Hard: know the difficulty before starting.
Each series contains ten original catalogue exercises. Hints and solutions only become available with the required access.
Easy45 min
10 challenges
Build precision on direct questions.
SELECTBeginner
Medium45 min
10 challenges
Combine several concepts under time pressure.
INNER JOINIntermediate
Hard45 min
10 challenges
Solve advanced cases and defend the result.
AVG OVER ROWSAdvanced
These challenges are created by SQL.tn from fictional situations. They are not presented as questions from well-known companies.
SQL Pro
Interview mode is included in SQL Pro.
SQL Pro unlocks the timer, score, hints, solutions and skill report.