SQL for Data Analysis: Window Functions — PickAClass
⏱ 2h 48m 📚 28 lessons 🎧 Audio version

SQL for Data Analysis: Window Functions

Understand and apply advanced SQL techniques for complex data analysis, suitable for beginners with no prior experience.

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  • 🌐 In English
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About this course

Unlock the power of SQL for deeper data insights. This course introduces you to modern data analysis methods using advanced SQL capabilities, transforming how you extract and interpret information from databases. You will gain the skills to perform sophisticated data manipulations and derive meaningful conclusions directly within your SQL queries, laying a strong foundation for data-driven decision-making. What you'll learn: - Understand fundamental SQL concepts and their application in data analysis. - Master window functions for performing calculations across sets of table rows related to the current row. - Apply ranking and dense ranking functions to order rows within partitions. - Implement offset and lag functions to access data from preceding or succeeding rows. - Utilize cumulative calculations for running totals and other sequential analyses. - Practice complex data processing techniques directly within SQL queries. This text-based course guides you through essential SQL concepts and advanced analytical functions, building your proficiency step-by-step. This course is designed for beginners with no prior SQL or data analysis experience. Start analyzing your data more effectively with advanced SQL.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • Short & focused
    2h 48m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
SQL for Data Analysis: Window Functions
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
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1.7 hrs
Behavioral copywriting
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SQL for Data Analysis: Window Functions
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Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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