SQL Server supports a number of different logical operators. These operators can be used for testing Boolean conditions that return true, false and unknown in your T-SQL code. Logical operators are useful for defining constraints to limit the rows be processed when selecting or updating data. This chapter will provide an overview of the logical […]
2022-04-20 (first published: 2020-10-09)
3,754 reads
Learn about scalar user defined functions in this next level in the Stairway.
2020-10-21 (first published: 2020-10-08)
3,619 reads
Business Intelligence Architect, Analysis Services Maestro, and author Bill Pearson introduces the DAX ALLSELECTED() function, discussing its syntax, uses and operation. He then provides hands-on exposure to ALLSELECTED(), focusing largely upon its most popular use in supporting “visual totals” in Power BI.
2024-01-16 (first published: 2020-09-02)
3,687 reads
Learn how to remove TDE from a database and return it to a normal state.
2024-10-09 (first published: 2020-08-26)
10,658 reads
Business Intelligence Architect, Analysis Services Maestro, eight-year Microsoft Data Platform MVP and author Bill Pearson introduces the DAX CALCULATE() function, discussing its syntax, basic uses and operation. He then provides hands-on exposure to CALCULATE(), focusing largely upon its most basic uses in evaluating an expression in a context that is modified by specified filters.
2024-01-16 (first published: 2020-08-12)
7,832 reads
Throughout this series, we’ve consistently dealt with delimited text files; comma and tab, for instance. We’ve used the U-SQL built-in extractors to process these files. But what if we need to deal with different types of file, like JSON, XML or fixed width? That’s where custom extractors come in. U-SQL provides us with the ability […]
2020-07-01
1,570 reads
In this third level of the Stairway, we examine how to store your encryption certificate in the Azure Key Vault.
2024-06-26 (first published: 2020-06-24)
8,804 reads
In this level of the stairway, learn about multiple dates in fact table
2020-06-10
5,649 reads
In this level of the Stairway to Linux, learn how to use the TIG stack to monitor your SQL Server instance on Linux.
2020-05-27
2,008 reads
In the second level of the stairway to TDE, we examine how you can restore your databases on another instance after moving the encryption certificate.
2024-06-26 (first published: 2020-05-20)
53,639 reads
By Steve Jones
I had a customer ask about analyzing their Test Data Manager (TDM) usage to...
By Steve Jones
I had an idea for an animated view of a sales tool, and started...
Next Monday, February 9, 2026, my one-day live online training SQL Server Query Tuning...
Think there's a reason why this is still in preview, but have someone manage...
Comments posted to this topic are about the item SQL Server 2025 Query Performance...
This is a generic question. To the moderators, I wasn't sure where to place...
On SQL Server 2025, what happens when I run this code:
SELECT JSON_OBJECTAGG( 'City':'Denver') GOSee possible answers