Come work with me! Be a Sales Engineer for Redgate
Redgate is growing, and we have some fresh, new open positions around the world which would be a great fit for SQL Server developers or DBAs who would like...
2020-02-21
11 reads
Blog Posts
2020-02-21
8 reads
Merge kubectl config files on Windows
When working with multiple Kubernetes clusters, at some point you’ll want to merge your kubectl config files. I’ve seen a few blogs on how to merge kubectl config files...
2020-02-21
309 reads
String Split Function in SQL Server
Did you know that a native STRING_SPLIT function built into SQL Server was added into SQL Server 2016? As a consultant I see so much code that call out...
2020-02-21 (first published: 2020-02-12)
928 reads
Removing ad hoc plans from Query Store
This is not a post about the “optimize for ad hoc workloads” setting on your favorite SQL Server instance, but that is a good place to start. Lots of...
2020-02-20
10 reads
SQL Server Backup and Restore Strategy Step by Step
Introduction:
Who is not aware of a SQL Database? It was the first business language introduced for E.F Codd’s Relational Database management system. In addition, MySQL, Oracle, Informix, Sybase, MS...
2020-02-20 (first published: 2020-02-12)
1,458 reads
Why is the XLOCK table hint broken?
Let’s talk about what XLOCK is supposed to do. XLOCK is a table hint that can be applied to a query to place an exclusive lock on the resources...
2020-02-20 (first published: 2020-02-12)
460 reads
Disaster recovery, tools edition
I just completed a chapter for another book where I spoke about the Recovery Point Objective (how much data you are prepared to lose) and Recovery Time Objective (how...
2020-02-19
38 reads
Power BI Real-time Streaming
With Power BI real-time streaming, you can stream data and update dashboards in real-time. Any visual or dashboard that can be created in Power BI can also be created...
2020-02-19 (first published: 2020-02-11)
3,020 reads
T-SQL Tuesday #123 – Life Hacks
Jess Pomfret is hosting month’s T-SQL Tuesday, and asked us to share our favorite life hacks – something that makes our day easier. I have a few,some people have told...
2020-02-19 (first published: 2020-02-12)
542 reads
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