SQL String Data Types: Handling Case Sensitivity and Collations — PickAClass
⏱ 2h 42m 📚 27 lessons 🎧 Audio version

SQL String Data Types: Handling Case Sensitivity and Collations

Learn to effectively manage text data in SQL databases, ensuring data accuracy and robust query performance for any application.

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About this course

Many common database errors and data inconsistencies arise from improper handling of string data. This course provides a foundational understanding of how SQL databases store, process, and compare text, equipping you with the knowledge to write precise and reliable queries. You will gain the skills to confidently work with string data, prevent common pitfalls, and ensure the integrity of your database operations. What you'll learn: * Understand fundamental string data types and their characteristics in SQL. * Apply essential SQL functions for manipulating and transforming string data. * Master the impact of character sets and collations on string comparisons and sorting. * Implement robust pattern matching using LIKE and regular expressions within queries. * Configure queries to correctly handle case sensitivity for accurate data retrieval. * Practice debugging and preventing common string-related data inconsistencies and errors. This course begins with the basic concepts of string storage and progresses through essential manipulation techniques, culminating in a deep dive into advanced topics like character sets, collations, and pattern matching for real-world data integrity. This course is designed for beginners with no prior experience in SQL string handling. All you need is a basic understanding of SQL query structure to get started. Begin your journey to mastering SQL string data and elevate your database skills 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
    Learn on the go — no screen needed
  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • ⚡ Short & focused
    2h 42m 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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has successfully demonstrated mastery of
SQL String Data Types: Handling Case Sensitivity and Collations
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Behavioral pattern analysis
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1.2 hrs
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Decision-architecture frameworks
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1.4 hrs
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A/B test design
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SQL String Data Types: Handling Case Sensitivity and Collations
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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
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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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