Using Raw Files in SSIS
SQL Server Integration Services is well designed for retrieving and processing data on the fly, directly in the data flow pipeline. However, there are circumstances that occasionally require the...
2019-09-03
37 reads
Blog Posts
Using strace inside a SQL Server Container
So, if you’ve been following my blog you know my love for internals. Well, I needed to find out exactly how something worked at the startup of a SQL...
2019-09-03
17 reads
Whitespace, Letter Case, and Other Things That Prevent Plan Reuse
Watch this week's video on YouTube
Last week's post briefly mentioned that SQL server may not reuse a query plan from cache if there is a small difference in whitespace.
In addition...
2019-09-03
5 reads
Whitespace, Letter Case, and Other Things That Prevent Plan Reuse
Watch this week's video on YouTube
Last week's post briefly mentioned that SQL server may not reuse a query plan from cache if there is a small difference in whitespace.
In addition...
2019-09-03
20 reads
20 Years of Redgate Software
Yeah, Redgate is only one year younger than my children. What’s really frightening is that I’ve been using Redgate’s products since my kids were a year old. I was...
2019-09-02
32 reads
Protected: Vajrasara – an interview with Lashana Lewis – Part 1
There is no excerpt because this is a protected post.
2019-09-02
19 reads
Protected: Vajrasara – An interview with Lashana Lewis – Part 2
There is no excerpt because this is a protected post.
2019-09-02
7 reads
Public and Demo Data Coming Soon!
Any database professional that has been around the Microsoft world for more than about 3 minutes will be familiar with the old, faithful sample dataset created and published by...
2019-09-02 (first published: 2019-08-22)
298 reads
Setting a Custom Variable in an Azure DevOps Pipeline with PowerShell
Here’s a quick post on something simple which stumped me for a while, in the hopes that search engines help someone else who gets confused in the same way....
2019-09-02
18 reads
SQL Homework – September 2019 – Getting the data in
Everything else aside two of the most important tasks of a database are to get data in, and get data ... Continue reading
2019-09-02
244 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