Query SELECT
Nos permite unicamente ver los datos que tenemos almacenados en la BD.
Estructura basica de un query select.
SELECT
[DISTINCT] *, columns, or expressions
[FROM tabla(s)]
[JOIN tabla(s) ON condicion(es)]
[WHERE condicion(es)]
[GROUP BY columna(s)]
[HAVING condicion(es)]
[ORDER BY columna(s)]