Tom Coffing

Teradata Certification Associate Exam Practice Guide

٢٠١٩

Snowflake Architecture and SQL

٢٠٢٢

HP Vertica - Architecture and SQL

٢٠١٥

Netezza SQL

٢٠١٤

Teradata Aster Data

٢٠١٣

Teradata SQL

٢٠١٣