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tomcoffing
Oct 4, 20222 min read
The Mind-boggling Correlated Subquery of Snowflake
Below is a video of Nexus in action; that is all you will need to see to realize why 20 years of dedication to corporate perfection pays...
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tomcoffing
Oct 4, 20222 min read
The Elusive Two-Parameter Redshift Subquery
Below is a video of Nexus in action; that is all you will need to see to realize why 20 years of dedication to corporate perfection pays...
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tomcoffing
Oct 4, 20222 min read
The Elusive Two-Parameter Teradata Subquery
Below is a video of Nexus in action; that is all you will need to see to realize why 20 years of dedication to corporate perfection pays...
38 views0 comments
tomcoffing
Oct 4, 20222 min read
The Elusive Two-Parameter Vertica Subquery
Below is a video of Nexus in action; that is all you will need to see to realize why 20 years of dedication to corporate perfection pays...
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tomcoffing
Oct 4, 20222 min read
The Elusive Two-Parameter Snowflake Subquery
Below is a video of Nexus in action; that is all you will need to see to realize why 20 years of dedication to corporate perfection pays...
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tomcoffing
Oct 3, 20223 min read
Thomas Edison Was A Slacker - Try Integrating Databases
Thomas Edison spent 10,000 hours testing to build one of the great inventions of all time, the electric lightbulb. As a kid, I dreamed of...
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tomcoffing
Sep 29, 20222 min read
Why Nexus Sings to the Blues
I will always be grateful to HCSC, Blue Cross Blue Shield of Illinois, Texas, and New Mexico for sponsoring my company to build...
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tomcoffing
Sep 27, 20222 min read
What I love about Snowflake
Tom Coffing has written 85 books on almost every database on the market. With cloud computing, Amazon, Azure, and Google changed the...
67 views0 comments
tomcoffing
Sep 26, 20223 min read
Advanced UNION Techniques Using Yellowbrick
This blog comes from the Yellowbrick Architecture and SQL book by Tom Coffing. Are you ready to learn Yellowbrick SQL from the best...
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tomcoffing
Sep 26, 20222 min read
Learn SQL with Tera-Tom - The CASE Statement
This picture shows Tom Coffing (Tera-Tom) teaching Teradata certification in the 90s. Tom wrote six Tera-Cram books, and 10,000 people...
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tomcoffing
Sep 26, 20222 min read
Teradata's Amazing ACCESS LOCK
This picture shows Tom Coffing (Tera-Tom) teaching Teradata certification in the 90s. Tom wrote six Tera-Cram books, and 10,000 people...
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tomcoffing
Sep 26, 20223 min read
Advanced UNION Techniques for Amazing Totals
This blog comes from the Snowflake Architecture and SQL book by Tom Coffing and David Cook. Are you ready to learn Snowflake SQL from the...
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tomcoffing
Sep 26, 20222 min read
The Warehouse Lost by Snowflake and Teradata
Teradata invented parallel processing, and Snowflake revolutionized the separation of storage and compute, but both forgot about the most...
178 views0 comments
tomcoffing
Sep 22, 20221 min read
Electrify Teradata with MySQL, Postgres, and Snowflake
Teradata's best move has been to the cloud. You can electrify Teradata and put it on steroids by combining it with Postgres, MySQL,...
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tomcoffing
Sep 22, 20221 min read
Electrify Snowflake with MySQL and Postgres
Snowflake has done the nearly impossible by changing the cloud with its brilliant approach to how a cloud database should work. You can...
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tomcoffing
Sep 21, 20221 min read
Nexus is for Customers Who Work with Many Systems
Nexus queries, migrates, joins data across platforms, and performs analytics on answer sets. The video below shows Nexus working with...
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tomcoffing
Sep 20, 20223 min read
Are Databases a Commodity?
This picture is of Tom Coffing teaching back in the 1990s. Tom taught thousands of classes to hundreds of customers worldwide for over 30...
36 views0 comments
tomcoffing
Sep 18, 20223 min read
Greenplum - GROUP BY GROUPING SETS Advanced SQL
This blog comes from the Snowflake Architecture and SQL book by Tom and Leona Coffing. Are you ready to learn Greenplum SQL from the best...
116 views0 comments
tomcoffing
Sep 18, 20223 min read
Snowflake - GROUP BY GROUPING SETS Advanced SQL
This blog comes from the Snowflake Architecture and SQL book by Tom Coffing and David Cook. Are you ready to learn Snowflake SQL from the...
153 views0 comments
tomcoffing
Sep 18, 20223 min read
Teradata - GROUP BY GROUPING SETS Advanced SQL
This blog comes from the Teradata Architecture and SQL book by Tom Coffing and David Cook. Are you ready to learn Teradata SQL from the...
143 views0 comments
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