Data Science & Artificial Intelligence Database Systems & Relational Data

SQL Skill Hub

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

Practice Question Bank (363) → Certification Gateway →
3 Curriculum Topics 3 Assessed Subtopics 363 Questions in Pool 3 Certification Tracks
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Curriculum Lessons in Development: Micro-learning roadmaps for SQL are actively being prepared. You can immediately practice the 363 verified questions mapped to this skill below.

Curriculum Topics & Knowledge Domains

Formal technical competencies tested within this canonical skill framework.

Topic 1

DML & Basic Queries

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

Subtopics Evaluated:
WHERE Clauses & Predicates
Topic 2

Joins & Set Operations

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

Subtopics Evaluated:
Multi-Table Inner & Outer Joins
Topic 3

Aggregation & Analytical Functions

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

Subtopics Evaluated:
Window Functions (ROW_NUMBER, RANK)

Standardized Certification Pathways

Proctored and timed examinations measuring practical mastery.

SQL Fundamentals Assessment

SQL for Data Analysis Certification

Advanced SQL Developer Certification