Gaps and Islands Across Date Ranges
Watch this week’s episode on YouTube.In a traditional gaps and islands problem, the goal is to identify groups of continuous...
2019-03-12
5,464 reads
Bert Wagner
Gaps and Islands Across Date Ranges
Watch this week's video on YouTube
In a traditional gaps and islands problem, the goal is to identify groups of continuous data sequences (islands) and groups of data where the...
2019-03-12
24 reads
COUNT, DISTINCT, and NULLs
Watch this week’s episode on YouTube.
One thing I see fairly often (and am occasionally guilty of myself) is using COUNT(DISTINCT)...
2019-03-05 (first published: 2019-02-19)
3,517 reads
Time Zones and Daylight Saving Time
Watch this week's video on YouTube
AT TIME ZONE is great because it makes it easy to perform daylight saving time and time zone conversions in our queries.
However, when using AT...
2019-03-05
17 reads
Time Zones and Daylight Saving Time
Watch this week's video on YouTube
AT TIME ZONE is great because it makes it easy to perform daylight saving time and time zone conversions in our queries.
However, when using AT...
2019-03-05
6 reads
Why make?
This post is a response to this month’s T-SQL Tuesday #111 prompt by Andy Leonard. T-SQL Tuesday is a way...
2019-03-01 (first published: 2019-02-12)
3,224 reads
Searching Complex JSON Data
Watch this week's video on YouTube
Computed column indexes make querying JSON data fast and efficient, especially when the schema of the JSON data is the same throughout a table.
It's...
2019-02-26
17 reads
Searching Complex JSON Data
Watch this week’s video on YouTubeComputed column indexes make querying JSON data fast and efficient, especially when the schema of...
2019-02-26
920 reads
Searching Complex JSON Data
Watch this week's video on YouTube
Computed column indexes make querying JSON data fast and efficient, especially when the schema of the JSON data is the same throughout a table.
It's...
2019-02-26
9 reads
COUNT, DISTINCT, and NULLs
Watch this week's video on YouTube
One thing I see fairly often (and am occasionally guilty of myself) is using COUNT(DISTINCT) and DISTINCT interchangeably to get an idea of the...
2019-02-19
11 reads
Blogs
Shifting Mindsets: Why FinOps is Essential for Cloud Efficiency
By HeyMo0sh
As a DevOps practitioner, I’ve always focused on performance, scalability, and automation. But as...
March 2026 SQL Server Security Updates
By Brian Kelley
On Patch Tuesday, in addition to OS and Office security patches, Microsoft also released...
How Fabric Mirroring Transformed with SQL Server 2025
When mirroring was first released for Azure SQL Database, it used Change Data Capture...
Forums
Multiple Deployment Processes
Comments posted to this topic are about the item Multiple Deployment Processes
How to Use sqlpackage to Detect Schema Drift Between Azure SQL Databases
Comments posted to this topic are about the item How to Use sqlpackage to...
Upgrading Admin Queries
Comments posted to this topic are about the item Upgrading Admin Queries
Question of the Day
Upgrading Admin Queries
I have a query from a former DBA that we run on SQL Server 2025 to check on database metadata. This query references sys.sysaltfiles. I want to refactor this code to be more modern. Which DMV should I reference instead?
See possible answers