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Jon Avis courses | Comidoc

Jon Avis

Jon Avis

Online Course Instructor

4.46 (8.2K reviews)

Statistics

37.7K

total students

12 hours

total content

Jul 2017

first content date

Jul 2017

last content date

Courses (1)

SQL and PostgreSQL for Beginners: Become a SQL Expert

SQL and PostgreSQL for Beginners: Become a SQL Expert

SQL and PostgreSQL for Beginners: Become a SQL Expert

(4.46 with 8.2K reviews)

37.7K

students

12 hours

content

Sep 2025

updated

$19.99