REPLACE versus TRANSLATE for SQL Server Text Data Manipulation
Learn how to replace text in SQL Server strings using the REPLACE and TRANSLATE functions and how these could be used for data manipulation.
The Journey to Team-based Development with Flyway
This article explains why Flyway is fundamentally well-suited to the task of bringing control and automation to database development work and then the features of Flyway Teams edition that become necessary when a team of developers need to work concurrently on a database.
Demystifying Best Practices and Enhancing RDS security with Amazon GuardDuty
This article looks at four security best practices for protecting databases in AWS along with how GuardDuty can be used to provide additional security.
Getting Out of Character
In this article, Joe Celko gives us a history of the different character sets that are used in computing and how that can pertain to your usage in relational databases. Some of these you may have never heard of!
PASS Data Community Summit 2023 registrations are open!
In 2023, connect, share & learn with like-minded peers, speakers, and industry leaders during the full week of data celebrations. Summit happens in person, from November 14th to 17th in Seattle. Check out the blog post and learn more.
Finding Your Own Career
Learning to find the career that's important to you can be a challenge. Today Steve has some advice.
How to Improve Database Design to Speed Up SQL Queries
This article examines some basic database design principles that help ensure your queries can execute more quickly.
7 ways businesses can improve the quality and speed of database releases
This article explains how these ‘ephemeral databases’ can be used to improve development and testing processes in ways that reduce the number of bugs entering the deployment pipeline, drive up the quality of database releases, and so improve the reliability and speed of database deployments to production.
Star Schema vs Snowflake Schema Considerations
Sometimes people say to avoid the snowflake schema and stick to a clean star schema. Why is that? Is something wrong with creating a snowflake schema?
Blogs
Free webinar – Tackling the Gaps and Islands Problem with T-SQL Window Functions
I’m hosting a free webinar at MSSQLTips.com at the 19th of December 2024, 6PM...
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...
Forums
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
Hello. I am looking for a tool Data cleansing/conversion, was recommended HPE any...
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