Join SQL Server tables where columns include NULL values
Dealing with NULL values especially when joining tables can become a challenge. Let's take a look at this issue and how this can be resolved.
2021-09-01
table
Stairway to DAX and Power BI - Level 17: Time Intelligence Functions: The DAX DATEADD() Function
Business Intelligence Architect, Analysis Services Maestro, and author Bill Pearson introduces the DAX DATEADD() function, discussing its syntax, uses and operation. He then provides hands-on exposure to DATEADD(), focusing largely upon a popular use in creating prior-period values at multiple Date hierarchy levels.
2026-04-15 (first published: 2021-06-04)
2,687 reads
Date Tables are Great for Users, but Not So Great for Performance
If you haven’t used a date table before, here are a couple of primers on how to create one and use it.
2020-08-27
2019-07-09 (first published: 2019-05-01)
923 reads
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Question of the Day
How Long is a Long I/O?
In SQL Server 2025, a long I/O is recorded in the error log with message 833. How long much an I/O request be outstanding before this message is written to the log?
See possible answers