Data Handling and Preprocessing with Python and SQL — PickAClass
⏱ 2h 48m 📚 28 lessons 🎧 Audio version

Data Handling and Preprocessing with Python and SQL

Learn to collect, clean, and structure messy data from various sources using Python and SQL for effective analysis.

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  • 🌐 In English
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About this course

Are you struggling with raw, incomplete, or scattered data that hinders your analysis? This course will equip you with the essential skills to tackle real-world data challenges. You will gain the ability to transform raw data into a usable format, making your analytical insights accurate and reliable. What you'll learn: * Understand fundamental data input and output concepts for various data formats. * Apply Python libraries like Pandas to read, write, and manipulate structured data. * Extract information from web pages using libraries like Beautiful Soup and implement ethical data scraping practices. * Connect to APIs, process JSON responses, and manage unstructured text data. * Write SQL queries to access, filter, and join data from relational databases. * Implement basic data cleaning techniques to handle missing values and inconsistencies. This course provides a foundational understanding of data ingestion and preparation workflows, starting with core principles and progressing to practical application. It is designed for beginners with no prior experience in data preprocessing or SQL. Begin your journey to mastering data preparation 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 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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PickAClass
Skills profile · verifiable
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Data Handling and Preprocessing with Python and SQL
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
Data Handling and Preprocessing with Python and SQL
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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