Create Azure DevOps Analytics Visuals with Power BI OData Queries
This article focuses on the use of OData Queries to integrate DevOps Analytics data to Power BI.
Gitflow Workflow Hotfix Branching for SQL Database Projects
Git is a great tool for source control and in this tip we look at how you can utilize Git source control to build and deploy database hotfixes.
Do it. Try it. Fix it.
Building better software requires some experimentation, but also some learning. Building better software as an organization requires even more.
sp_who4
Introduction The analysis of blocking in SQL Server can be hard if the SQL Server instance has a high number of active connections. This analysis becomes complicated because busy instances could have more than one blocking connection, meaning that we could have more than just one blocking chain. For every group of blocked connections, we […]
Oracle archived redo size – the research
Oracle archived redo size may be smaller than that of online redo log files. In this article, Jonathan Lewis takes a deeper look.
SQL Server SET STATISTICS IO ON Deep Dive
In this article we look at how to interpret and use the results of STATISTICS IO when tuning SQL Server queries.
Artist or Scientist?
In your work, are you an artist or a scientist? Steve Jones knows we need to be both, but when is each appropriate?
CRUD Operations in SQL Server using Python
This article goes through a process to show how you can use Python to perform create, read, update, and delete (CRUD) operations on SQL Server data.
Managing database changes using Flyway: an Overview
This article describes the principles of using Flyway migrations to build a database from scripts, to a specified version, and to track, manage and apply all database changes.
Bronze Age Development
The slow pace of Visual Studio development had a number of problems over the years, but Microsoft has dramatically changed the way they build their software for the better.
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