Common Data Transformations in Power Query
In this article we walk through an example of using Power Query to transform source data that can be used in a Power BI report.
In this article we walk through an example of using Power Query to transform source data that can be used in a Power BI report.
Introduction This article will help you install the Docker Desktop for Mac. Before we show that, let us start by understanding what the Docker Desktop software can do for you. To understand Docker, we need to understand what a container is. If you remember a few years ago, the only way of deploying application code […]
In this article we look at the steps to recover a deleted TDE key that is being used by Azure SQL Database for database encryption.
In this article, Shel Burkow uses the SQL execution plan from the previous article to write a program in Scala.
Using data scraped from the web might be convenient, but is it legal. Perhaps more importantly, is it moral? Steve has a few thoughts.
Introduction This article shows how common table expressions (CTE) in SQL Server are naturally suited for navigating trees, such as finding its longest path, or diameter. Recall that a tree is an undirected graph where unique paths exist between any two nodes (i.e. vertices). Any node may be selected as its top node, with its […]
In this article we look at using Window Functions in SQL Server, Oracle and PostgreSQL to see the differences and similarities of the syntax.
The 2021 State of Database Monitoring survey is now open, and we want to know how you’re currently tackling your server, instance, and database monitoring. By taking part, you’ll contribute to the sole industry-wide report on database monitoring, and provide insights into how SQL Server professionals manage their estates and what challenges they face. Plus, you’ll receive an advanced copy of the report and entry to a prize draw to win a $500 Amazon voucher.
A while back I wrote an editorial about how I believed the data community would easily continue after the PASS organization was no more. I'm pleased as punch to be able to report that I was right. Not because I enjoy being right (I do, who doesn't), but because I care very much for the […]
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
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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