SQ101 + SQ501P
6
360
Not published (timed exam SQ101), plus a hands-on practical exam (SQ501P)
60 minutes for the timed exam (SQ101); the practical exam (SQ501P) is separate
Not published for SQ101 (these tests use 60%); SQ501P requires every task to be correct
Timed online exam plus an automatically graded practical exam in PostgreSQL, both completed within 30 days
Perform data extraction, joining, and aggregation tasks | Filtering with WHERE, IN, BETWEEN and LIKE, inner, outer and self joins, set operations, GROUP BY and HAVING, subqueries and CTEs, window functions (27%) Perform cleaning tasks to prepare data for analysis | Pattern matching with LIKE, ILIKE and regular expressions, CAST and type conversion, TRIM, REPLACE, SPLIT_PART and other string functions, cleaning dates with TO_DATE, DATE_TRUNC and EXTRACT (20%) Assess data quality and perform validation tasks | Finding and replacing missing values with COALESCE and NULLIF, uniqueness, range and consistency checks, orphan rows, constraints, identifying and validating data types (17%) Interpret a database schema and explain database design concepts | Reading schemas and keys, one-to-many and many-to-many relationships, normalization, star and snowflake schemas, OLTP and OLAP, data warehouses and data lakes (17%) Calculate metrics to effectively report characteristics of data and relationships between features using PostgreSQL | Mean, median and mode, range, variance, standard deviation and IQR, skewness, missingness, correlation and regression aggregates (19%)
Candidates preparing for the DataCamp SQL Associate certification Data analysts who want to check their PostgreSQL knowledge Students and career changers moving into data roles Business and BI professionals who query databases for reporting
Calculate metrics to effectively report characteristics of data and relationships between features using PostgreSQL
A column delivery_days holds 3, 7, 8 and 20. What does SELECT PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY delivery_days) FROM orders return?
7
7.5
8
9.5
B
PERCENTILE_CONT is a continuous percentile, so with an even number of values it interpolates between the two middle values, 7 and 8, and returns the median 7.5. PERCENTILE_DISC(0.5) would return 7, and 9.5 is the mean, pulled up by the outlier 20.
Updated 2026Instant accessLifetime access

DataCamp SQL Associate Practice Tests: 6 Practice Tests and 360 Questions

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About this course

These practice tests are for data analysts, students, business users and anyone who works with SQL and is preparing for the DataCamp SQL Associate certification. The certification has two parts: a timed exam (SQ101) and a hands-on practical exam (SQ501P) in which you write PostgreSQL queries for a business problem. These tests are knowledge checks aligned to the five competencies DataCamp lists for both exams. They prepare you for the timed exam and for the concepts behind the practical, so use them alongside hands-on query practice, for example DataCamp’s own sample practical exam.

You get 6 practice tests with 60 questions each, 360 questions in total, including a timed Exam Mode test. Every question explains why the right answer is right and why the others are wrong, includes a hint, and is mapped to one of the five competencies. The series was rebuilt for 2026 against DataCamp’s current SQL Associate requirements: every answer was checked against PostgreSQL behaviour, MySQL-only syntax and repeated questions were removed, and new questions cover data cleaning, data validation, database design and the summary statistics you calculate in PostgreSQL, such as medians, standard deviations, skewness, missingness and correlation. DataCamp does not publish a question count or a pass mark for the timed exam, so each test uses 60 questions and a 60% pass mark.

What's included

practice exams

Exam-style questions that match the format, wording and difficulty of the real exam.

Practice and exam modes

Learn with instant feedback, or sit a timed exam under real conditions.

Explained answers

Every answer comes with the reasoning, so you learn from each miss.

Score reports

See your results by domain and find weak areas before exam day.

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Retake any exam as often as you like until your scores are consistent.

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What learners say

4.5

2,074 reviews · 5,272 students

“Saved me hundreds”

$69 for all exams is a steal. I prepared for Scrum + ITIL® without buying separate courses.
Sarah M.Agile Coach

“Felt like the real PMP exam”

I cleared PMP® in the first attempt. The timed simulator and analytics made my weak areas obvious and fixable.
James K.Project Lead

“Score up 30% in 3 weeks”

Best part is the sheer volume of questions which can practice and improve your score every day and week.
Priya T.QA Lead

Questions before you buy

What do I get with a single practice test?
You get the practice test in practice and exam modes for the certification you choose: timed, exam-style questions with explanations. It's a good fit if you're preparing for one exam.
What are the next steps after payment?
Upon successful payment, our system immediately creates your account, adds the course to your account in our LMS and sends you a walk-through video guide. You will receive emails from [email protected].
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The refund request must be submitted within 30 days of purchase. If a user has requested multiple refunds for the same course or has a history of excessive refund requests, Gururo reserves the right to limit or deny future refund requests. Full conditions are in our refund policy.
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Once you complete checkout, you get immediate access in our Learning Management System (LMS). You can monitor your progress, get scores automatically when you finish each quiz, take timed quizzes that simulate real test conditions, and review your results to find areas to improve.
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Can I retake a single practice test?
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Are single practice tests updated when the exam changes?
We update tests when exam objectives change. How often varies by exam. The All-Access Pass includes updates for every exam.
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Lifetime access on all the practice tests and packs.
Which should I choose, a single test or the All-Access Pass?
Buy a single test if you're preparing for one exam. Choose the All-Access Pass if you're studying for more than one exam, or if the exam you need costs close to the pass price. It also gives you every exam we add later.

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DataCamp SQL Associate Practice Tests

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