SQL Homework – March 2020 – Database Configurations.
A little while back we tried configuring the instance. Sometimes though, instance settings are a bit heavy handed, so this ... Continue reading
2020-03-05 (first published: 2020-03-02)
469 reads
Blog Posts
Why can’t I remove this extra transaction log file?
Before this post gets started, let’s get past the title. I know what many of you are thinking: what in the name of Paul Randal would make someone have...
2020-03-05 (first published: 2020-02-29)
416 reads
Deprecated and discontinued features in SQL Server
My co-authors and I recently wrapped up the book SQL Server 2019 Administration Inside Out, which should be hitting the shelves in the next week or two. At the...
2020-03-04
93 reads
Import Databases to Azure SQL Database
I recently spoke at a conference and was asked what is the easiest way to import databases to Azure SQL Database. Therefore, I wanted to share how I do...
2020-03-04
16 reads
Information Measurement with SQL Server Part 4.8: The Intersection Family of Distances
By Steve Bolton …………Each group of distance measures surveyed in this segment of the series was defined by affinities between the underlying equations. For example, the common denominator for...
2020-03-04 (first published: 2020-02-27)
263 reads
Schema Filtering in SQL Prompt
I love SQL Prompt, and I’m regularly impressed by the enhancements our teams continue to make in the product. One item that I found interesting recently was schema filtering....
2020-03-04 (first published: 2020-02-27)
256 reads
VMware vExpert 2020
I’m proud to announce that I’ve been awarded the VMware vExpert community award for the calendar year 2020. I’m absolutely thrilled to be awarded this title for the eighth...
2020-03-04
14 reads
A lack of foreign keys – a bad culture example.
G’day,
One of the things that I’ve been seeing more often than I would like to lately is large databases with...
2020-03-03 (first published: 2018-10-28)
3,200 reads
Are You Still Worried About Data in the Cloud?
There really are technology stacks and business use cases that should never be moved off of big iron. Then there’s the rest of us. Chances are very high if...
2020-03-03 (first published: 2020-02-27)
565 reads
Azure Enhancements – Time to take a look (and read the ebook.)
TweetG’day,
Recently I’ve become quite interested in the latest incarnation of Azure SQL Database.
For those that are unaware of some of...
2020-03-03 (first published: 2015-01-27)
6,535 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