In my project I see that people writes different things with EXISTS logical operator (EXISTS (SELECT StarOrOne FROM...)). They are "*", "1" and even "TOP 1 1" or "TOP 1 *". The aim of this article to give a good explanation which option is the best.
2020-01-24 (first published: 2017-04-24)
14,947 reads
Splunk is a search engine for collecting and analyzing all sorts of "machine data", including log data and metrics for SQL Server. SQL Monitor gives you the detailed diagnostic view of all your SQL Server instances, and databases. If you have Splunk to monitor your applications and server infrastructure, and SQL Monitor to help you understand the behavior of a complex database system such as SQL Server, then you have a powerful and capable monitoring tool set.
2020-01-24
In this tip we look at a way to minimize the length of blocking using SQL Server lock timeout.
2020-01-24
In this article, we see how SQL can be used to determine matches between two groups, given a set of preferences.
2020-01-23
7,240 reads
Comments are helpful when programming in any language, and PowerShell is no exception. In this article, Greg Moore demonstrates how to use comments to document code and to add prerequisites in PowerShell with #Requires.
2020-01-23
Concurrency | T-SQL | Code Samples - In this tip we look at a way to minimize the length of blocking using SQL Server lock timeout.
2020-01-23
Protecting data is not easy, but it is critical. In this article, David Poole discusses database security and the behaviors needed to build secure systems.
2020-01-22
If you avoid illegal characters and reserved words in your identifiers, you'll rarely need delimiters. Sadly, SSMS applies square bracket delimiters indiscriminately, as a precaution, when generating build scripts. Phil Factor provides a handy function that adds quoted delimiters only where they are really needed and then sits back and lets SQL Prompt strip out any extraneous square brackets, in a flash.
2020-01-22
In part 2 of this article, learn how you can move incremental changes in a SQL Server table using Azure Data Factory.
2020-01-21
2,719 reads
We’ve heard from users that they really care about static data and were missing the feature in the SQL Change Automation SSMS plugin. In v4.1, we’ve added support for the tracking of static data tables to the SSMS extension, alongside existing support in the VS extension. Maya Malakova has written a technical summary showing how to use this feature. Learn more about the release here.
2020-01-21
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
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If I want to run sp_readerrorlog on SQL Server 2025, what permissions do I need?
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