Five Facts about the SQL Server Resource Database
In this article we cover interesting facts about the hidden resource database in SQL Server and how this is used by SQL Server.
2021-04-28
Additional Articles
How to improve DevOps communication clarity
Communication is at the heart of DevOps, but it can be difficult to achieve. Mike Cuppett explains how to improve DevOps communication clarity.
2021-04-27
Creating Database Build Artifacts when Running Flyway Migrations
This article provides PowerShell automation scripts for running Flyway database migrations. These scripts use SQL Compare to automatically generate all the required database build artifacts in the version control system, for each Flyway deployment.
2021-04-26
Never, Ever, Ever Start T-SQL Comments with Two Dashes
In this article, Brent Ozar explains why you should avoid starting T-SQL comments with two dashes.
2021-04-26
Learn basics of Data Wrangling in SQL Server to handle Invalid Values
In this article we cover the topic of data wrangling which is steps you can take to cleanup and validate data prior to data analysis.
2021-04-23
SQL Server Security – Fixed server and database roles
Security roles can simplify permissions in SQL Server. In this article, Greg Larsen explains fixed server and database roles.
2021-04-22
Batch Processing using Flyway
How to create a batch file that executes any number of database migration tasks across a range of servers and databases, using Flyway.
2021-04-21
Common Data Transformations in Power Query
In this article we walk through an example of using Power Query to transform source data that can be used in a Power BI report.
2021-04-21
Recover Deleted TDE Key for Azure SQL Database
In this article we look at the steps to recover a deleted TDE key that is being used by Azure SQL Database for database encryption.
2021-04-20
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A data transformation problem in SQL and Scala: Dovetailing declarative solutions Part II
In this article, Shel Burkow uses the SQL execution plan from the previous article to write a program in Scala.
2021-04-20
Blogs
Counting Groups with Window Functions: #SQLNewBlogger
By Steve Jones
I looked at row_number() in a previous post. Now I want to build on...
The query processor ran out of internal resources and could not produce a query plan – When You’ve Managed to Confuse SQL With a Crazy IN Clause.
Recently I received a cry for help over Teams. The issue was that an...
Extending a SQL Server Failover Cluster Across Regions in Google Cloud Platform (GCP)
By davebem
I was the principal author of this SIOS whitepaper, which describes how to build...
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How to determine if a DB is currently being used
Hi - I'm looking for advice regarding the best & quickest way to establish...
Data cleansing/conversion tool HPE
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System views in a contained availability group
I have a query that runs in a job to check on orphaned users....
Question of the Day
The LAGging NULL
I have this data in a SQL Server 2022 table:
player yearid team HR Alex Rodriguez 2012 NYY 18 Alex Rodriguez 2013 NYY 7 Alex Rodriguez 2014 NYY NULL Alex Rodriguez 2015 NYY 12 Alex Rodriguez 2016 NYY 9If I run this code, what are the results returned in the hrgrowth column?
SELECT player , yearid , hr , hr - LAG (hr, 1, 0) IGNORE NULLS OVER (ORDER BY yearid) AS hrgrowth FROM dbo.playerstats;See possible answers