Renaming Files by Padding Numbers with PowerShell
Some time ago I had downloaded all the SQL Saturday XML files. I’ve been meaning to flatten those into a database, but that project keeps getting away from me....
2021-01-18
201 reads
Blog Posts
Synapse Analytics and .NET for Apache Spark Example 1 - Group By
I have been playing around with the new Azure Synapse Analytics, and I realised that this is an excellent opportunity for people to move to Apache Spark. Synapse Analytics...
2021-01-18
7 reads
Synapse Analytics and .NET for Apache Spark Example 1 - Group By
I have been playing around with the new Azure Synapse Analytics, and I realised that this is an excellent opportunity for people to move to Apache Spark. Synapse Analytics...
2021-01-18
22 reads
Synapse Analytics and .NET for Apache Spark Example 2 - ROW_NUMBER()
The next example is how to do a ROW_NUMBER(), my favourite window function.
T-SQL SELECT *, ROW_NUMBER() OVER(ORDER BY dateTime) as RowNumber FROM chicago.safety_data Spark SQL SELECT *, ROW_NUMBER() OVER(ORDER...
2021-01-18
9 reads
Synapse Analytics and .NET for Apache Spark Example 2 - ROW_NUMBER()
The next example is how to do a ROW_NUMBER(), my favourite window function.
T-SQL SELECT *, ROW_NUMBER() OVER(ORDER BY dateTime) as RowNumber FROM chicago.safety_data Spark SQL SELECT *, ROW_NUMBER() OVER(ORDER...
2021-01-18
56 reads
Synapse Analytics Spark Example 1 - Group By
I have been playing around with the new Azure Synapse Analytics, and I realised that this is an excellent opportunity for people to move to Apache Spark. Synapse Analytics...
2021-01-18
49 reads
Synapse Analytics Spark Example 2 - ROW_NUMBER()
The next example is how to do a ROW_NUMBER(), my favourite window function.
T-SQL SELECT *, ROW_NUMBER() OVER(ORDER BY dateTime) as RowNumber FROM chicago.safety_data Spark SQL SELECT *, ROW_NUMBER() OVER(ORDER...
2021-01-18
425 reads
How to get data in a DataFrame via .NET for Apache Spark
When I first started working with Apache Spark, one of the things I struggled with was that I would have some variable or data in my code that I...
2021-01-17
11 reads
How to get data in a DataFrame via .NET for Apache Spark
When I first started working with Apache Spark, one of the things I struggled with was that I would have some variable or data in my code that I...
2021-01-17
47 reads
Platforms for Events
in my last post I wrote about thinking of the tools as being a separate thing from the event. Not a complicated concept, but does it matter? Maybe. Let...
2021-01-16
7 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