SQL Subquery (Visually Explained) | Complete Guide with Correlated Subquery |

Published: 03 September 2024
on channel: Data with Baraa

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Visually explained how SQL subqueries and correlated subqueries work step by step with practical examples.

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📖 Table of Content
00:00 Intro
00:26 What is Subquery?
03:40 Why Subquery?
05:45 Categories of Subquery
07:52 Subquery Result Types
10:23 FROM Clause Subquery
21:15 How DB Executes Subquery
22:51 SELECT Clause Subquery
29:54 JOIN Clause Subquery
34:57 WHERE Clause Subquery
41:41 IN Operator Subquery
50:11 ANY, ALL Operators Subquery
56:25 Correlated Vs Non-Correlated Subqueries
01:07:11 Exists Operator Subquery
01:19:11 Subquery Summary

This course is perfect for data analysts, data engineers, data scientists, software developers, and students—covering everything from the basics to advanced SQL topics.
#sql #sqlserver #data #analytics #dataanalysis #datascience

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