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SQL Subqueries: From Novice to Mastery
Published 2/2023
Created by Donatus Obomighie | PhD, MSc, PMP
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
Genre: eLearning | Language: English | Duration: 70 Lectures ( 2h 29m ) | Size: 2.74 GB
Master Advanced SQL Subqueries: Nested, Correlated, Scalar, the Weird & Complex Parts for Better Data Retrieval
What you'll learn
How to write subqueries to select data from single and multiple tables.
The different ways to create subqueries that return a single value or multiple values.
How to use subqueries in the SELECT, FROM, WHERE, and HAVING clauses.
The concept of correlated subqueries, which depend on values from the outer query, and how to use them in SQL.
How to use subqueries to solve complex problems such as finding maximum or minimum values and records that don't have corresponding entries in other tables.
The difference between IN, EXISTS, and ANY/ALL operators in subqueries and when to use each one.
How to use subqueries to create more complex queries and better understand the structure and relationships in a database.
Hands-on practice with a variety of subquery examples, exercises, and challenges to build skills and confidence in using subqueries in SQL.
Requirements
Basic SQL knowledge. This includes familiarity with SQL syntax and basic SQL commands
MySQL WorkBench
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