Synchronous replicas in SQL Server Availability Groups promise no data loss, but they don’t promise zero delay; under heavy load they can still fall behind. This article shows how to measure and track that hidden replication delay using SQL Server performance counters, so you can see how well your system keeps up during IO‑intensive operations and plan maintenance more safely.
2025-09-17
Learn about a new feature of SQL Server 2022 - Parameter Sensitive Plan Optimization(PSPO)
2025-09-15
1,659 reads
How can we setup alerts in Azure SQL MI to notify us when there are issues?
2025-09-15
A look at window functions in SQL and how they can be used to query data without the restrictions of a GROUP BY.
2025-09-12
6,559 reads
This article dives into a fun (and interesting!) strategy for widening fixed-width columns in SQL Server, to reduce downtime, risk, and runtime at the time when a column’s data type needs to be changed.
2025-09-12
I recently resolved an issue where a query pulling data from the last 30 days would time out due to the table’s size and the lack of a supporting index. Creating a supporting index is possible, but not ideal; it will be very large and may not be useful for most queries and use cases. I wonder how I could implement a filtered index that follows time and is always limited to the last n days.
2025-09-10
This article looks at using the FP-Growth algorithm from Python to mine data in SQL Server.
2025-09-08
2,638 reads
Introduced in SQL Server 2025 CTP 1.3, the PRODUCT() function acts similarly to SUM(), but multiplies values rather than adds them. It is an aggregate function in SQL Server and therefore operates on a data set, rather than on scalar values.
2025-09-08
This article shows how you can easily create connections in your Power BI workspace that use Identity Authentication to connect to your data.
2025-09-05
2,868 reads
The advantage of using triggers is that the same processing can occur regardless of where or how the data has been inserted, updated or deleted. In this article, we look at several examples of where and why triggers could be useful along with an example use case.
2025-09-05
SQL Server 2025 RTM is here, and if you’re running Docker on macOS, you...
By Steve Jones
It’s Monday. I’ve been home since Fri night, but with a busy weekend, I’m...
By Brian Kelley
I mentioned this in my talk on Quantum Computing at the PASS Data Community...
Comments posted to this topic are about the item The Ending Substring
Comments posted to this topic are about the item Done is Better than Good,...
Comments posted to this topic are about the item Configuring the On-Premises Data Gateway:...
In Azure SQL Database and SQL Server 2025, if I run this, what is returned?
SELECT '[' + SUBSTRING('Steve Jones', 7) + ']' See possible answers