LangChain and OpenAI: Working with Structured Data — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

LangChain and OpenAI: Working with Structured Data

Learn to integrate large language models with your own structured data sources to build intelligent, context-aware applications.

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About this course

Large language models (LLMs) are powerful, but their true potential is unlocked when they can interact with specific, current, and structured information. This course equips you with the foundational knowledge and practical skills to bridge the gap between LLMs and your proprietary data. By the end of this course, you will be able to design and implement applications that leverage LangChain to connect LLMs with various structured data formats, enabling them to provide more accurate, relevant, and actionable insights. What you'll learn: * Understand the core concepts of large language models (LLMs) and their integration with external data. * Learn to use LangChain to orchestrate interactions between LLMs and structured data sources. * Apply effective prompt engineering techniques to guide LLMs in querying and interpreting structured information. * Implement Retrieval Augmented Generation (RAG) patterns to enhance LLM responses with relevant context from your data. * Practice building LangChain agents capable of interacting with databases, APIs, and other structured data. * Explore strategies for managing conversation history and maintaining state in data-driven LLM applications. The course begins by establishing a strong understanding of LLM fundamentals and LangChain's architecture. You will then progressively learn how to connect, query, and manipulate structured data using LLMs, culminating in building practical, data-aware AI applications. This course is designed for beginners interested in developing AI applications using large language models and their own data. No prior experience with LangChain or advanced AI concepts is required. Start your journey into building intelligent, data-aware AI applications today.

Course contents

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • ⚡ Short & focused
    3h 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
LangChain and OpenAI: Working with Structured Data
Skills demonstrated
✓
Behavioral pattern analysis
Foundational
1.2 hrs
✓
Decision-architecture frameworks
Proficient
1.4 hrs
✓
A/B test design
Proficient
1.7 hrs
✓
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
LangChain and OpenAI: Working with Structured Data
Page 2 of 2
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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