HackerRank · Skill Badge · Foundational
HackerRank SQL (Basic)
Crydd Score 79
Demand High
Career Value Moderate
Recognition Strong
HackerRank SQL at a glance
- Provider
- HackerRank
- Credential type
- Skill Badge
- Exam required
- Yes
- Category
- Data
- Level
- Foundational
- Cost
- Free
- Difficulty
- Beginner
- Time to earn
- Under 1 month
- Validity
- Does not expire
- Format
- Timed online query assessment
- Prerequisites
- Basic SQL
What is HackerRank SQL?
A free, timed HackerRank assessment verifying practical SQL — writing joins, aggregations, and subqueries under a clock.
Skills it covers
- SQL
- Joins
- Aggregation
- Subqueries
Is HackerRank SQL worth it? The Crydd Verdict
CS 79Choose it if
You want to prove SQL ability quickly and free on a platform employers recognise.
Consider alternatives if
You are still learning SQL — practise with a course before attempting the verification.
Why we say so
SQL is one of the most screened-for data skills, and this verifies it where employers look.
Market demand
SQL screening is common in data and back-end hiring; a verified badge is a practical signal.
Where HackerRank SQL takes you
- Data Analyst
- Backend Developer
- Data Scientist
Career roadmaps show where this certification fits in each path. See the roadmaps.
Related certifications
Curated connections from the catalog — each labelled with how it relates to HackerRank SQL, so you know why it’s here.