SQL & MySQL Subqueries: Understanding the weird parts
Learn SQL Subquery from the Basics to Advanced level with Multiple Tables | Take Your SQL Skills to Next Level
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10 hours
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Jul 2024
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$59.99
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What you will learn
Learn SQL & MySQL SUBQUERY - Understanding the Weird Parts
Correlated, Nested, Scalar, single-row, Multiple-row, CTE & In-Line View Subqueries
Learn to write subqueries to select data multiple tables using fro 2 to 14 subqueries in one query
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.
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udemy ID
2/10/2023
course created date
4/6/2023
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