The use of statistics in SQL Server is tightly embedded in the query optimizer and query processor. The creation and maintenance of statistics is usually handled by the SQL Server engine, though many DBAs and developers know that periodically we might need to update those statistics to ensure good performance of queries. SQL Server 2019 gives us more options.
2024-01-09 (first published: 2019-04-01)
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This Data Saturday Event is being jointly developed by the Albuquerque Data Platform Users Group, Arizona Data Platform Users Group, and the Santa Fe Data Platform Users Groups. This event will include sessions on many Microsoft Data Platform related topics. Join us on May 15, 2021.
2024-01-09 (first published: 2021-05-14)
Our annual mental health and wellness day is slated to happen on 8th April 2022. We have a fantastic lineup,schedule as below. For more details on speakers and sessions refer to our blog post here.
2024-01-09 (first published: 2022-04-08)
SQL Server post migration step is very crucial for reconciling any data accuracy and completeness, as well as uncover performance issues with the workload.
2024-01-09 (first published: 2022-10-10)
In this article, we are going to learn the basics of SQL unit testing and how to write a SQL unit test through the tSQLt framework.
2024-01-09 (first published: 2023-09-08)
In this article, learn how to control access levels to various data and parts of Power BI reports using row-level security as well as column and object-level security.
2024-01-09 (first published: 2023-06-19)
This article shows how to use Python to access data in SQL Server and produce a K-Means analysis with a chart.
2024-01-08
3,236 reads
Imagine this: you have several directories full of SQL script files, and you need to know where a certain table is used. You’d rather like the context too, so you can check the whole SQL Expression and work out why it is running so slowly.
2024-01-08
Introduction This article celebrates a classic algorithm [1] of Dijkstra (1930 – 2002) which finds a path of minimal cost between any pair of nodes in an undirected graph. His procedure is widely recognized as a fundamental tool for examining communication and transportation networks (eg. Google Maps) and is surprisingly simple. By his own admission, […]
2024-01-05
8,704 reads
Lemme start this off by saying this is probably irrelevant to you. (It’s irrelevant to me, too.)
2024-01-05
By Zikato
A fugitive cyber-criminal, a wingsuit, and 24 million flight records. Somewhere between Doha and...
Say you need outside help. You’ve exhausted all the things that you could do...
I’m honored to announce that I’ve been renewed as a Microsoft MVP for the...
Comments posted to this topic are about the item Implicit Conversions Cripple SQL Server
Comments posted to this topic are about the item BIT_COUNT() III
Comments posted to this topic are about the item The Mythical Bus Accident
In SQL Server 2025, I run this code:
select bit_count(-1)What is returned? See possible answers