Why you should never use default string lengths.
TL;DR; You probably don’t know what you’re going to get. Even if you do know the person maintaining your code ... Continue reading
2020-03-30 (first published: 2020-03-25)
786 reads
Blog Posts
Probing Columnstore Indexes
In this article, our focus will be to test, the performance benefits of columnstore indexes, on a transactional (OLTP) workload, for real-time analytics.
We'll cover examples from each of...
2020-03-29
45 reads
Understanding Disk Performance and IOPS in cloud platform
In the past many years, apart from working as DBA, I was working with multiple cloud technologies and actively involved in the migration process to cloud infrastructure. In between,...
2020-03-29
22 reads
COVID-19, a wake-up call
COVID-19 is the only pandemic I’ve seen in my whole life. It gave me a whole new percepective of the life. Kaal (Time) is mightiest of everyone and everything....
2020-03-28
38 reads
ASF 030: Benni De Jagere interview
Introduction Benni De Jagere is a Senior Data Insights Consultant with a strong focus on the Microsoft (BI) Stack. On a daily basis, he turns (large amounts) of coffee...
2020-03-27
12 reads
ASF 030: Benni De Jagere interview
Introduction Benni De Jagere is a Senior Data Insights Consultant with a strong focus on the Microsoft (BI) Stack. On a daily basis, he turns (large amounts) of coffee...
2020-03-27
14 reads
Azure SQL Database: Great Choice for Modern Cloud Applications
Microsoft offers several options for moving your SQL Server workloads to Azure. If you’re looking to host modern cloud applications, your best option is Azure SQL Database Service. For...
2020-03-27
181 reads
Containers and DevOps
Over the last couple of years, one of these single most exciting technologies to come out around the Data Platform has been containers. You may not see them change...
2020-03-27 (first published: 2020-03-20)
305 reads
Daily Coping 27 Mar 2020
I’ve started to add a daily coping tip to the SQLServerCentral newsletter, which is helping me deal with the issues in the world. I’m adding my responses for each...
2020-03-27
22 reads
Figuring Out How To Hide Production Data
There’s a really simple conundrum that we go through all the time. The best data for development is production You can’t have production data for development You have to...
2020-03-27
142 reads
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