SQL Querying Fundamentals for Data Analysis โ€” WalkSelf
Catalog ยท Data Analytics ยท SQL

SQL Querying Fundamentals for Data Analysis

Build a strong foundation in data retrieval by learning to write efficient SQL queries to extract, filter, and organize information for analytical projects.

โ˜… 4.8 (150) โฑ 46 min ๐Ÿ“š 9 lessons ๐ŸŽง Audio version

About this course

Data is the backbone of modern decision-making, but you first need to know how to ask the right questions to access it. This course takes you from understanding what a database is to writing sophisticated queries that power data science workflows. You will transform from a beginner into a confident data retriever, capable of navigating complex datasets to find the exact information you need. Through clear written explanations and code-based examples, you will learn to communicate effectively with relational databases. What you'll learn: - Understand core database concepts and the role of the SELECT statement in data retrieval - Filter and sort datasets using logical operators and conditional expressions to isolate key information - Perform data aggregation to summarize large volumes of records into meaningful insights - Apply joins to combine data from multiple tables and create comprehensive datasets - Practice modern techniques like Common Table Expressions (CTEs) for cleaner and more readable code - Clean and transform raw data using built-in SQL functions for analysis-ready results The material begins with essential terminology and the anatomy of a query before moving into practical logic, data manipulation, and multi-table operations. You will progress through structured written modules designed to build your technical vocabulary and syntax knowledge step-by-step. This course is designed for absolute beginners who want to start their journey in data analysis or data science, with no prior coding experience or technical background required. Start building your data querying skills through comprehensive written lessons and practical exercises.

What you'll get

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐ŸŽง Audio version included
    Learn on the go โ€” no screen needed
  • โ™พ๏ธ Lifetime access
    Come back anytime, no expiry
  • ๐Ÿ“ฑ Phone or computer
    Works anywhere, any device
  • ๐Ÿ’ธ 14-day refund
    No questions asked
  • โšก Short & focused
    46 min of practical content

Reviews (1)

Rukmani Perera LK
โ˜… 5 ยท 2025-06-20T20:29:22+00:00

This course delivered exactly what I needed. The explanations were clear and concise. Big thumbs up!

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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 donโ€™t store card details โ€” Stripe handles them securely.

Can I get a refund? +

Yes โ€” 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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