Walnut DataTech

SQL for analytics and reporting

Query, join and summarise business data with standard SQL, and model tables that make reporting reliable.

No reviews yetTaught by Walnut Jobs course team
Level
Beginner
Language
English
Duration
18 hours
Lessons
13

Last updated 22 Oct 2026

What you'll learn.

  • Explain tables, keys and relationships in a relational database.
  • Filter, sort and aggregate data with SELECT, WHERE, GROUP BY and HAVING.
  • Combine tables with inner, left and full outer joins without duplicating rows.
  • Structure complex logic with common table expressions and subqueries.
  • Use window functions for rankings, running totals and period-on-period change.
  • Design a simple star schema of fact and dimension tables for reporting.

How this course is taught.

Every module comes to you in four parts, so you can watch, read, discuss and check what you have learned.

  1. Quadrant I

    e-Tutorial

    Watch a short video lecture for each module, with full text notes beside it so you can review or translate at your own pace.

  2. Quadrant II

    e-Content

    Download or print the reading material for each module, with key terms, case studies and links to further resources.

  3. Quadrant III

    Discussion forum

    Ask questions and clear your doubts with other learners. The course team guides the discussion and answers questions.

  4. Quadrant IV

    Assessment

    Check your understanding with quizzes, short and long-answer practice and FAQs, then take the final test.

Curriculum.

4 modules · 13 lessons
1Querying fundamentals3 lessons · 43 mine-Content (notes)2Assessment1
  • Note: How relational databases organise data15 min
  • Note: SELECT, WHERE, ORDER BY and limiting rows18 min
  • Quiz: Module 1 quiz10 min
2Aggregation and joins3 lessons · 52 mine-Content (notes)2Assessment1
  • Note: Aggregating with GROUP BY and HAVING18 min
  • Note: Joining tables correctly22 min
  • Quiz: Module 2 quiz12 min
3Analytical SQL4 lessons · 1 h 7 mine-Content (notes)3Assessment1
  • Note: Common table expressions and subqueries18 min
  • Note: Window functions for rankings and running totals22 min
  • Note: Dates, NULLs and data types15 min
  • Quiz: Module 3 quiz12 min
4Modelling data for reporting3 lessons · 58 mine-Content (notes)2Final test1
  • Note: Dimensional modelling: facts and dimensions20 min
  • Note: Writing reliable reporting queries18 min
  • Final test: Final assessment20 min

Your certificate.

This is the certificate you receive when you complete the course and pass its final test.

Certificate No.

WDT-WJSA-2026-000000

Certificate of completion

SQL for Analytics and Reporting

This is to certify that

Learner Name

has successfully completed the course and passed its assessment, and is recognised as a

SQL for analytics and reporting

4 modules13 lessons18 hours of learningOnline, on Walnut LMS

DD Month YYYY

Date of issue

Noida, India

Authorised Signatory

Walnut DataTech Private Limited

Verify this certificate at walnutdatatech.com/verify-certificate with certificate number WDT-WJSA-2026-000000. Issued on Walnut LMS.

Specimen — not a valid certificate
SQL for analytics and reportingView full size

What you need to receive it.

Complete every lesson and pass the final assessment with at least 70%.

Every certificate carries its own number that anyone can check on the verification page.

About this course.

SQL is the most requested skill in analytics job descriptions worldwide, because almost every company keeps its operational data in a relational database or a cloud warehouse such as Snowflake, BigQuery or Azure Synapse.

This course teaches ANSI-standard SQL that works across PostgreSQL, SQL Server, MySQL and cloud warehouses, with notes where dialects differ. You will move from simple queries to joins, common table expressions and window functions, and finish by designing a small star schema for reporting.

Who this is for

  • Aspiring data and business analysts
  • Finance, operations and marketing professionals who rely on others to pull data
  • Developers who want to write better analytical queries
  • Candidates whose target job lists SQL as a mandatory skill

Skills this certificate proves: SQL (Proficient), Data modelling (Working).

Linked to Walnut Jobs: complete this course to earn the certificate employers ask for.

Your instructor.

Walnut Jobs course teamJob-ready courses designed with hiring companies

Learner reviews.

No reviews yet

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Questions about enrolling.

Is this course really free?

Yes. Create an account and enrol with one click. There's no payment step.

How long can I access this course?

You keep access for as long as the course is offered on Walnut LMS.

Do I get a certificate?

Yes. The certificate section above shows the certificate and sets out what you need to receive it.

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