Taking Quarantine Holiday
What will you do about vacation during the pandemic? Steve gives his thoughts.
How SQL Clone and SQL Change Automation enable seamless Database Branch Switching
Learn how to use SQL Clone together with Git hooks and SQL Change Automation to branch your database in Git as quickly and simply as your code.
Why Ordering Isn’t Guaranteed Without an ORDER BY
If your query doesn’t have an ORDER BY clause, you can’t reliably predict the order of your results over time. Sure, it’s going to look predictable at first, but down the road, as things change – the indexes, the table, the server’s configuration, the size of your data – you can end up with some ugly surprises.
A Solution for the Bin Packing Problem
A detailed description of a technique for the the solution of the Bin Packing Problem, that involves a recursive CTE and Window functions
Remote Sharing and Learning
Steve notes we all need to learn to communicate and share information better, especially while we are remote.
A Hybrid Approach to Database DevOps
A flexible approach to Database DevOps where the team maintain the current state of the database in version control, during development, and then at key stages generate and test the migrations script that will deploy the changes to the target database, safely.
How to ACTUALLY save money in the cloud with SQL Server
We have all heard migrating to the cloud can save you money and there are several ways moving your SQL Server workloads to the cloud can save your organization money. But, there are also missteps that can eat away at the savings, performance and even your availability creating instead an expensive, ineffective, difficult to manage cloud infrastructure.
Smarter Design
Many of us have used PowerPoint, which has grown smarter through the use of Machine Learning.
Introduction to Azure SQL Database Instance Pools
In one of the article, Considerations for Deploying Azure SQL Database Managed Instances, recently published on this site, basic characteristics of Azure SQL Database Managed Instance were described. Its biggest selling points include nearly full compatibility with on-premises SQL Server deployments, support for SQL Server Agent, and additional security associated with its Azure virtual network integration.
The Underground Map of SQL Monitor
The "metro map" of SQL Monitor, with sightseeing tips and essential stops along every line....
Blogs
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
The Goldilocks problem – Materialized Views
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
Monday Monitor Tips: Virtual Machine Usage and Cost
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
How We Handled a Vendor Retry That Loaded Twice in Snowflake
Comments posted to this topic are about the item How We Handled a Vendor...
Cognitive Coverage
Comments posted to this topic are about the item Cognitive Coverage
Question of the Day
Getting the Average
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers