Split Large Queries in Athena with a Simple Modulo Trick
Learn how you might balance the load in Amazon Athena when you have large partition windows.
2026-10-05
1,694 reads
ETL
What I Wish Everyone Knew About ETL Processes - Traditional to Modern Cloud Solutions
Learn about the evolutionary journey of ETL (Extract, Transform, Load) from traditional processes to modern cloud solutions.
2023-10-18
How Effective Is Your Data Load Monitoring in SQL and Python?
Learn how you can use monitor your data warehouse load process with Python code and a structured process.
2023-10-06 (first published: 2023-09-20)
2,079 reads
Upserts in Amazon Redshift
This article discusses different approaches of Upserts (update+inserts) in Amazon Redshift
2023-08-09
30,571 reads
The Art of Data Ingestion - Part 1
Data movement is a fundamental piece of a data engineer’s duties, and recently I’ve been thinking about the art of data movement. What are some of the most important pieces that a data engineer needs to think about when confronted with data ingestion? There is of course data exporting as well, and in that case, […]
2022-11-11
6,309 reads
ETL Performance Auditing - Part 1: Introduction to ETL Auditing
This article shows an easy way to setup a comprehensive ETL Performance auditing Solution no matter how complicated your ETL setup.
2014-10-31 (first published: 2012-06-05)
18,650 reads
Blogs
SSMS Is Getting Smarter—and This Isn’t Just About Writing SQL
Continuing with my takeaways from SQLCon and FabCon Europe in Barcelona, let’s talk about...
Yippee-Kai-Yay 2027 Summit in Denver
By Steve Jones
Next year the PASS Data Community Summit is in DENVER! and London, but Denver...
PASS Data Community Summit 2026
By Steve Jones
Yesterday was the first day of sessions at the PASS Data Community Summit (after...
Forums
Pay for Performance
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Switching Schemas I
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Enforcing Unique Customer Emails When Duplicates Already Exist
Comments posted to this topic are about the item Enforcing Unique Customer Emails When...
Question of the Day
Switching Schemas I
I run this query:
SELECT s.name AS schemaname , o.name AS objectname FROM sys.objects o INNER JOIN sys.schemas s ON s.schema_id = o.schema_id WHERE o.name = 'Beer'I get one row back for an object named dbo.beer. There is an ETL schema and both of these are nonpartitioned tables. I run this code:
ALTER TABLE dbo.beer switch TO etl.beerWhat happens? See possible answers