Revisiting SQL Server Window Functions- A Practical Walkthrough
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
7 reads
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
7 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
A list of all builds for SQL Server 2016. Updated with CU2 for SP2 and CU10 for SP1.
2025-09-10 (first published: 2017-01-25)
40,533 reads
2025-09-10 (first published: 2018-12-18)
9,173 reads
2025-09-10 (first published: 2018-12-20)
12,283 reads
This is a list of the builds for SQL Server 2022. There are other build lists available here. A list of all the builds that I can find and install on my Build VM. If you find a build not listed here, please let the webmaster know (webmaster at sqlservercentral.com). All builds are listed in reverse […]
2025-09-10 (first published: 2022-09-01)
4,056 reads
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
2,065 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
1,912 reads
By gbargsley
We’ve all been there. Someone walks up and asks, “Is SQL Server having issues?”...
By Chris Yates
In the beginning, there was OLTP – Online Transaction Processing. Fast, reliable, and ruthlessly...
I’m giving two online sessions soon on virtual events that are free to attend....
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Comments posted to this topic are about the item Tables with a SPARSE Column...
True or False: Tables with a SPARSE column consume more space than regular columns if most values are NOT NULL.
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