DevOps anti-patterns: what they are and how to avoid them
In software development, DevOps promises faster delivery, increased collaboration, and more reliable deployments. However, many teams unknowingly fall into anti-patterns.
Barely Reviewed Code
Code reviews can be challenging in many places, and with AI, could be even more of an issue in the future.
Data Modeling with dbt for Visual Code: The Fabric Modern Data Platform
Learn more about dbt in this next article on Data Engineering in Fabric.
Why use a Composite Index in SQL Server
SQL queries can take a long time to run, especially on large tables if not properly indexed. Full table scans can be costly operations when all a user wants is to fetch a few rows based on multiple columns and a WHERE filter. How can we properly index our tables to support multi-column queries?
The Problem Isn't Always Your Query or Schema... Sometimes It's Hidden Assumptions
Sometimes the problems aren't your code. Here a few places where re-examining your assumptions can help improve software development.
How to determine the last value used by a sequence in SQL Server
I’ve been a fan of sequences ever since they were added in SQL Server 2012. Prior to that, developers had a choice of IDENTITY columns or a roll-your-own table mechanism.
This Week's AI Trust Problem Became Everyone’s Problem
There’s a saying in security circles: the weakest link isn’t the lock on the front door but the spare key under the mat. This past week gave us two vivid, simultaneous demonstrations of that principle, and if you’re building anything in the AI space right now, both deserve your full attention. The Mythos Leak and […]
A Double Failure
A company has both a server without a password and live data in test environments. Not a good situation.
Blogs
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
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...
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