Common Table Expression in SQL
Are you curious about how SQL experts simplify complex queries? In this video, we dive into the power of the ‘WITH’ clause, commonly known as Common Table Expressions (CTEs). Whether you’re preparing for a technical interview or working on a real-life data project, mastering CTEs can make your SQL writing more efficient and readable.
We’ll explore how to use CTEs with real sales order data, step-by-step, using Snowflake worksheets. This tutorial is beginner-friendly and packed with practical examples you can apply in your daily SQL tasks.
Let’s unlock the magic of CTEs together!
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🚀🚀 Chapters
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➥ 00:00 Introduction
➥ 01:52 Instruction
➥ 02:14 ER Diagram
➥ 03:18 Data Population
➥ 06:35 1st Scenario
➥ 10:33 2nd Scenario
➥ 16:29 Common Interview Questions
➥ 21:38 3rd Scenario
➥ 29:38 Tricky Interveiw Questions
➥ 30:54 CTE vs SQL SubQuery
➥ 31:46 Thank You Note
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