Introduction The analysis of blocking in SQL Server can be hard if the SQL Server instance has a high number of active connections. This analysis becomes complicated because busy instances could have more than one blocking connection, meaning that we could have more than just one blocking chain. For every group of blocked connections, we […]
2021-02-04
14,737 reads
Problem Finding the hole for continuous sequences of numbers could be a discouraging task even for advanced programmers. This article presents a new solution based on usage of geometry data type and on a unknown function (if not, maybe less used function) specific designed for geometry objects. Sample: Given the following sequence of [dis]continuous numbers […]
2020-03-30
1,642 reads
2020-03-23
1,537 reads
This article demonstrates how the geometric functions in SQL can be use to solve the Islands and Gaps problem.
2020-03-16
2,551 reads
Problem The usage of a collection of integers in some scenarios is considered to be optimal because of the overhead involved by the creation of another user table used just to store numbers, which is the most common solution. What are collections of integers? They are lists or arrays consisting of integers. The number of […]
2020-02-13
5,993 reads
This article is just a short follow up of previous article on filegroup restoring that describes one issue with join elimination optimization.
2017-08-10
1,006 reads
In this article, we'll explore a less used feature of SQL Server: filegroup restoring, feature that has an interesting consequence because database can become inconsistent without any warning and standard checks don't reveal any issue.
2017-06-27
3,608 reads
By Brian Kelley
If you're looking for particular "Black Friday" deals, here is what I've seen advertised...
By SQLPals
Dry-run xp_delete_file Before Actually Deleting Files? xp_delete_file doesn’t really have a...
By Brian Kelley
In the United States, today is Thanksgiving. The intent behind the holiday is to...
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For which of these object types can I get the code when I run the OBJECT_DEFINITION() function in SQL Server 2025? (choose 3)
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