SQL Fundamentals and Window Functions — PickAClass
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⏱ 2h 54m 📚 29 lessons 🎧 Audio version

SQL Fundamentals and Window Functions

Build a strong foundation in SQL and master advanced querying techniques for data analysis.

  • 💬 AI instructor
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  • 🕐 Start anytime
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  • 🌐 In English
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About this course

Are you looking to unlock the power of data through structured queries? This course provides a comprehensive introduction to SQL, starting with the absolute basics and progressing to advanced concepts like window functions. You will learn to retrieve, manipulate, and analyze data effectively using standard SQL syntax, applicable across various database systems. This course will equip you with the essential skills to work with databases. You will learn: - Core SQL syntax for data retrieval and manipulation - How to structure complex queries with joins and subqueries - Advanced analytical techniques using window functions - Best practices for writing efficient and readable SQL code - How to apply SQL concepts to real-world data challenges - The fundamentals of database design and normalization - Practical strategies for optimizing query performance Begin by understanding fundamental database concepts and basic SQL commands. Progress through intermediate topics and conclude with powerful analytical functions, preparing you to tackle diverse data-related tasks. This course is designed for beginners with no prior SQL experience, requiring no prerequisites. Start your journey to becoming proficient in data querying today.

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 54m 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
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Name Surname
has successfully demonstrated mastery of
SQL Fundamentals and Window Functions
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Decision-architecture frameworks
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SQL Fundamentals and 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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