29.-Aprender MySQL.- Cláusula Group By con Joins (Inner join, left join y right join).
Código SQL:
https://drive.google.com/file/d/1fGjr...
En este vídeo te voy a hablar sobre cómo usar a la cláusula Group By en MySQL, combinándola con los diferentes joins que hay: inner join, left join y right join. Para eso usaremos dos tablas: libros y editoriales, y realizaremos un conteo de libros por editorial, para eso tenemos que unir ambas tablas.
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