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
14,706 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
1,640 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
5,990 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
3,607 reads
By Zikato
TSQL ScriptDOM is a useful library for parsing scripts into an abstract syntax tree....
By DataOnWheels
Over the past few months, I have debated starting a new blog to discuss...
By Steve Jones
It’s that time of the month again, and once again, I’m late and I’m...
So folks we have around 30/40 sql server failover cluster insatnce with each having...
Hello, How to add a UNIX_TIMESTAMP at my publish_date please CREATE TABLE [dbo].[latest_info]( [id]...
hi, need to known weather fast farwand cursor is faster than a while loop...
I run this code on SQL Server 2022 to get a list of all the indexes and their key columns. What is returned?
SELECT
INDEX_COL (N'AdventureWorks2017.Sales.SalesOrderDetail') See possible answers