Database Systems & Relational Data Data Science & Artificial Intelligence

SQL

Standard SQL query language, DDL/DML, multi-table joins, subqueries, grouping, and indexing.

3 Curriculum Topics
363 Practice Questions
● Certification available
01

Curriculum

Structured knowledge domains and assessed focus areas.

02

Practice

Practice questions with instant feedback and answer explanations.

03

Certification

Structured assessment with an issued credential when you pass.

Structured Curriculum

Standardized topic hierarchy and evaluated competencies for this skill.

Explore full topic lessons and study roadmap →
01

DML & Basic Queries

SELECT, WHERE filtering, ORDER BY, LIMIT, and arithmetic operations.

Assessed focus areas: WHERE Clauses & Predicates

02

Joins & Set Operations

INNER, LEFT, RIGHT, FULL OUTER joins, UNION, and EXCEPT.

Assessed focus areas: Multi-Table Inner & Outer Joins

03

Aggregation & Analytical Functions

GROUP BY, HAVING, COUNT/SUM/AVG, and window functions.

Assessed focus areas: Window Functions (ROW_NUMBER, RANK)

Certification Pathways

Structured certification assessments and blueprint specifications aligned to industry roles.

Foundational ● Available

SQL Fundamentals Assessment

15 Questions
20m Duration
75% Pass Score
Associate ● Available

SQL for Data Analysis Certification

20 Questions
30m Duration
75% Pass Score
Professional ● Available

Advanced SQL Developer Certification

30 Questions
45m Duration
80% Pass Score

Practice SQL Questions

Practice with 363 skill-specific questions and review answer explanations as you go.

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