HAVING Clause and Aliases in MySQL | Aliasing In MySQL | SQL Tutorial For Beginners

In This Video On "HAVING Clause and Aliases in MySQL | Aliasing In MySQL | SQL Tutorial For Beginners," we explore the advanced functionalities of the HAVING clause and aliases in MySQL. Understanding these concepts is crucial for anyone looking to perform sophisticated data manipulations and analyses in SQL. This tutorial is designed to help beginners grasp these important features with clear explanations and practical examples.
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This video on "HAVING Clause and Aliases in MySQL | Aliasing In MySQL | SQL Tutorial For Beginners" Includes the Following Topic:
1. How to use the HAVING clause in MySQL?
The HAVING clause in MySQL is used to filter records after an aggregation has been performed, typically in combination with the GROUP BY clause. It allows you to set conditions on grouped data, making it possible to filter results based on aggregate functions like COUNT, SUM, AVG, etc. In this tutorial, we explain the syntax and usage of the HAVING clause, providing practical examples to demonstrate how it can be used to refine your queries and obtain more specific results from your data sets.
2. What are aliases and how are they used in MySQL?
Aliases in MySQL are temporary names given to columns or tables for the duration of a SELECT query. They make complex queries easier to read and write, and they are especially useful when working with multiple tables or performing complex calculations. This video covers the syntax for creating aliases, the difference between column aliases and table aliases, and provides examples to illustrate their practical applications. By mastering aliases, you can write more concise and understandable SQL queries.
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