SkillCertify Assessment

SQL Data Analyst

MEDIUM CERTIFICATION EXAM

Test your SQL Data Analyst knowledge in a timed assessment. Pass the exam and earn a free, verifiable SkillCertify certificate.

15 Questions
15 min Time limit
80% To pass
Your progress is saved automatically
Not ready for the exam yet? Practice questions first →

WHAT TO EXPECT

Multiple-choice questions Curated questions covering core and advanced concepts
Timed assessment The countdown timer starts automatically once you begin
Automatic progress saving Every selection is safely recorded in real time
Review before submission Easily flag questions and review all answers prior to grading
Free Verifiable Certificate Score 80% or above to instantly earn an official verifiable SkillCertify certificate.
Assessment Overview

About the SQL Data Analyst (Medium) Assessment

The SQL Data Analyst certification exam is designed for professionals who use SQL to extract insights, generate reports, and support data-driven decision-making. This exam goes beyond the basics — it tests your ability to write complex queries, analyze datasets, and work with real business scenarios. If you're working or aiming to work as a data analyst, business analyst, or BI professional, this certification demonstrates that you can turn raw data into meaningful information using SQL. Free certificate available upon passing. Upgrade to Premium for a high-resolution, watermark-free PDF — just $4.99.

Key Competencies

What You'll Be Tested On

Writing advanced SELECT queries with complex filtering logic
Using subqueries, CTEs (Common Table Expressions), and nested queries
Mastering all types of JOINs for multi-table analysis
Applying window functions like ROW_NUMBER, RANK, and LEAD/LAG
Performing cohort analysis and funnel tracking with SQL
Aggregating and pivoting data for reporting purposes
Working with date and time functions for trend analysis
Cleaning and transforming messy data using SQL
Writing queries optimized for performance and speed
Understanding how SQL integrates with BI tools like Tableau and Power BI

Want to practice first?

Explore SQL Data Analyst untimed practice questions to test your knowledge before taking the timed exam.

Practice Questions
Exam Tracks

Explore Other Difficulty Levels

EASY

Easy Level

Beginner-friendly assessment

10 Questions · 10 min limit · 80% to pass
Explore Easy
MEDIUM ✓ Current Level

Medium Level

Intermediate-level assessment

15 Questions · 15 min limit · 80% to pass
Active Assessment
HARD

Hard Level

Advanced certification challenge

20 Questions · 20 min limit · 80% to pass
Explore Hard
Help & Information

Frequently Asked Questions

What jobs does this certification support?

This certification is directly relevant to Data Analyst, Business Intelligence Analyst, Reporting Analyst, and Marketing Analyst roles - all of which frequently list SQL as a required skill.