Learn SQL with Tera-Tom: Cumulative Sum and PARTITION BY
Tom Coffing taught Teradata certification back in the 90s. Tom wrote six Tera-Cram books, and 10,000 people became certified. Thousands of people became Teradata Certified Masters from Tom's books.
Are you ready to learn SQL from the best technical trainer the world has ever seen? Tom Coffing, AKA Tera-Tom, makes learning fun, exciting, and easy. Learning SQL is one of the best moves you can make in your career because you can query every database with SQL.
Tom became famous as a teacher because he memorized every student's name when he greeted them. Tom has taught over 1,000 classes and never missed a single name. Ask anyone who attended a class taught by Tom Coffing.
Tom has also led a team of developers for almost 20 years to create the Nexus, which queries, migrates, and joins data across all systems. The chart below shows which systems users can query, migrate, and join data automatically with Nexus.
You can download a free trial of Nexus at CoffingDW.com. You can also see some of the great features of Nexus right here.
This video is part of the Tera-Tom SQL series, where Tom provides over 100 videos that are only five minutes long. You can take your time and go at your own pace.
Cumulative Sum and PARTITION BY Video
The latest book from Tom Coffing and David Cook is Snowflake Architecture and SQL. This 1200-page masterpiece teaches you every SQL command on Snowflake, plus all you want to know about Snowflake features, including best practices and tips and tricks. For more information about a Tera-Tom Snowflake training boot camp for your company or if you want to order the book for your company or you individually, contact Tom.Coffing@CoffingDW.com.