Group Employees of the Same Salary
A medium-tier problem at 66% community acceptance, tagged with Database. Reported in interviews at Clari and 0 others.
Group Employees of the Same Salary is a Database problem asked by Clari. You're building a query that groups employees by salary and returns the results in a specific structure. It sounds straightforward until you hit the join logic or the grouping conditions. The 66% acceptance rate tells you plenty of candidates are submitting queries that run but return wrong results. If this problem lands in your live assessment and your SQL syntax feels correct but you're second-guessing the join or the GROUP BY clause, StealthCoder surfaces the working solution in seconds while you keep your composure.
Companies that ask "Group Employees of the Same Salary"
Group Employees of the Same Salary is the kind of problem that decides whether you pass. StealthCoder reads the problem on screen and surfaces a working solution in under 2 seconds. Invisible to screen share. The proctor sees nothing. Built by an Amazon engineer who used it to pass JPMorgan's OA and system design loop.
Get StealthCoderThe trap here is writing a query that looks right syntactically but groups or filters incorrectly. Most candidates default to a simple GROUP BY salary, but the problem usually wants you to return employee pairs or specific grouping conditions that require a self-join or subquery you don't immediately spot. The join has to be precise. You also need to be careful with NULL handling and output ordering, which are easy to overlook in a time-pinched assessment. This is pure Database skill, not an algorithmic pattern you can brute-force. If you haven't prepped this specific query structure and you're live in the assessment, StealthCoder reads the problem schema off screen and hands you the exact SQL needed.
Pattern tags
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Group Employees of the Same Salary recycles across companies for a reason. It's medium-tier, and most candidates blank under the timer. StealthCoder is the hedge: an AI overlay invisible during screen share. It reads the problem and surfaces a working solution in under 2 seconds. Built by an Amazon engineer who used it to pass JPMorgan's OA and system design loop. Works on HackerRank, CodeSignal, CoderPad, and Karat.
Group Employees of the Same Salary interview FAQ
Is this really just a GROUP BY problem?+
No. A basic GROUP BY salary misses the point. The problem typically wants employee pairs or a specific output shape that requires a self-join or a subquery. The difficulty is Medium for a reason. Read the output format carefully before writing your first query.
How often do companies like Clari ask this?+
Clari is documented in the input data. It's a single-company problem in reports, so it's not a top-frequency ask across FAANG. That said, if you're targeting Clari specifically or prepping for database-heavy roles, this pattern matters.
What's the most common mistake?+
Writing a GROUP BY that returns duplicate rows or missing rows because the join condition or WHERE clause was off by one line. Test your output manually against the example before submitting. A second pair of eyes catches this fast.
Should I worry about NULL salaries?+
Yes. NULL handling in GROUP BY and joins is a classic gotcha. Check whether the problem excludes NULL salaries or expects them in output. Read the constraints and examples closely.
How does this relate to other Database problems?+
It combines self-joins, GROUP BY, and output filtering. If you've drilled window functions or complex joins, this is a step down in complexity but requires the same careful logic and testing discipline.
Want the actual problem statement? View "Group Employees of the Same Salary" on LeetCode →