Boas Práticas de SQL no MySQL - Nível Intermediário

Want to learn more about our Complete SQL Course? Click on the link below to secure your spot in the next class: https://lp.hashtagtreinamentos.com/es... ------------------------------------------------------------------- TO DOWNLOAD THE FREE MINI-COURSE SQL: https://dlp.hashtagtreinamentos.com/s... ----------------------------------------------------------------------- 💻 Recommended videos: Basic SQL Course:    • Fundamentos do SQL - Curso de SQL - Aula 1   Series Window Functions in SQL for Analysis of Data:    • Funções de Janela no SQL para Análise de D...   ----------------------------------------------------------------------- If you prefer the video in text format: https://www.hashtagtreinamentos.com/b... ----------------------------------------------------------------------- TO HIRE HASHTAG FOR YOUR COMPANY: https://www.hashtagtreinamentos.com/t... ----------------------------------------------------------------------- Do you want to write faster, more efficient and professional SQL queries in MySQL? Have you ever imagined how some good practices can completely transform the way you deal with databases? In today's video I will teach you 5 fundamental good practices for those who want to evolve in SQL and leave the basics behind for good. I'll show you how using aliases can make your queries much more readable, why avoiding functions in WHERE improves performance, how to use LIMIT to safely test your queries, when it's best to replace the OR operator with IN to optimize your filters, and the correct way to deal with null values ​​using IS NULL or IS NOT NULL. If you're at an intermediate level or just starting out, these practices will make all the difference and help you write cleaner, more optimized, and easier-to-maintain code. 📌Did you like it? Then like it, subscribe to the channel, and activate the bell so you don't miss any of the next videos about SQL, databases, and programming! ----------------------------------------------------------------------- Hashtag Programming ► Subscribe to our channel: http://bit.ly/3c0LJQi ► Turn on notifications (click on the bell)! ► Like our video! ----------------------------------------------------------------------- Social Networks ► Blog: https://bit.ly/2MRUZs0 ► YouTube: http://bit.ly/3c0LJQi ► Instagram: https://bit.ly/3o6dw42 ► Facebook: http://bit.ly/3qGtaF2 Here in the videos on the Hashtag Programação channel we teach several SQL tips so that you can develop in databases! ----------------------------------------------------------------------- Class Content 00:00 Introduction: How to improve your SQL queries 01:55 Make your queries more readable with ALIAS (AS) 05:29 Improve performance: avoid functions in WHERE 10:07 Test queries safely using LIMIT 13:41 Optimize filters: prefer IN instead of OR 16:39 How to correctly handle NULL values ​​in SQL 19:36 Conclusion #sql #hashtagprogramacao