Free Download SQL Practice for Beginners Real World Interview QuestionsPublished 1/2026
MP4 |
Video: h264, 1920x1080 |
Audio: AAC, 44.1 KHz, 2 Ch
Language: English |
Duration: 36m |
Size: 368 MB
Master SQL by solving real-world business problems and technical interview questions.
Practice and solve SQL questions which prepare you for data interview questions.
Sharp your SQL skills by practice SQL basics commands like SELECT, WHERE, GROUP BY, HAVING.
Master data aggregation using COUNT, SUM, and AVG to analyze business metrics.
Understand how to reach to SQL questions and how to solve them.
RequirementsBasic knowledge of SQL syntax (familiarity with SELECT, FROM, and WHERE).
A computer (Windows or Mac) to install the free pgAdmin tool (we will use this for practice).
DescriptionDo you know the basics of SQL but you feel feel that you lack practical experience? You are not alone. Many beginners understand what SELECT and GROUP BY do, but they struggle to combine them to answer real business questions during technical interviews.Welcome to Apex Data Academy. We bridge the gap between theory and practice. We don't just talk about code; we act as Data Analysts for a fictional e-commerce company. We will use PostgreSQL to analyze real-world data, calculate revenue, track the best customers , and find helpful insights in the data.What will you practice in this course? Based on real interview questions, we will cover:Business Aggregations: Use COUNT, SUM, and AVG to calculate total orders and revenue per channel.Advanced Logic: Understand exactly when to use HAVING vs. WHERE to filter complex results.Customer Analysis: Solve complex scenarios like "Who bought this year but not last year?" Date Trends: Analyze sales performance by year and month using Date functions.How is the course structured?We believe in learning by doing. The course is divided into three main parts:Guided Exercises: We solve 7 real-world interview questions together, step-by-step.Self-Practice: You get a dedicated assignment with 8 additional questions to test your skills independently.Detailed Solutions: Every question comes with a full explanation so you can learn from your mistakes.Who is this course for?Aspiring Data Analysts preparing for technical interviews.Students and Juniors who want to build a portfolio.Anyone who wants to move from "learning SQL" to "using SQL."Enroll today and start building your practical data skills!
Who this course is forBeginners who know SQL theory but lack hands-on practice
Students looking to bridge the gap between academic learning and real-world business scenarios.
Anyone pursuing a data career (Data analysts, Bi developers, Data engineers, Data scientists) who wants to prepare for job interviews.
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