Jon Avis - SQL Instructor
IT Systems Engineer and SQL Instructor
4.43 (7944 reviews)
2
active courses
0
removed courses
Jun 2017
first content date
Jul 2025
last content date
37030
total students
7944
total reviews
4.43
average rating
16
total content length
Courses
SQL and PostgreSQL for Beginners: Become a SQL Expert
37K
students
12.5 hours
content
Jul 2025
updated
$19.99