There are many reasons you should monitor your databases, including avoiding performance problems or running out of disk space. Ideally, you want a scalable monitoring solution where you can monitor all your SQL databases in one single place. This article will describe two options that are available: Azure SQL Analytics and Azure SQL Insights. Both […]
2022-03-18
10,412 reads
Introduction Azure Purview is Microsoft’s unified data governance service that helps you discover and get insight into your available data. It replaces Azure Data Catalog and is now based on Apache Atlas, one of the leading open-source data governance and metadata frameworks. Apache Atlas was created by Hortonworks and big names within finance, pharma, etc. […]
2021-02-18
5,208 reads
A quick-start to SQL Server StreamInsight and Complex Event Processing with a step-by-step example on stock quotes.
2019-03-26 (first published: 2010-03-17)
8,629 reads
An example of building a StreamInsight input adapter for retrieving Twitter data in real-time.
2019-03-26 (first published: 2010-09-29)
9,072 reads
An introduction to SQL Server StreamInsight and Complex Event Processing with a focus on Business Intelligence.
2019-03-26 (first published: 2010-01-25)
10,977 reads
Learn how to use Biml to create a SSIS-package with a Script component that can read from Twitter.
2019-01-01 (first published: 2016-04-28)
3,774 reads
Tired of building tons of similar SSIS packages for importing files into your data warehouse? Learn how to autogenerate them using Biml.
2018-02-16 (first published: 2015-09-10)
7,423 reads
One of the new features of SQL Server 2016 is the ability to time travel in your databases and visit a specific table at a specific point of time in history. You can also use this feature to audit changes or “undo” whole data warehouse updates.
2017-09-04 (first published: 2016-10-18)
10,171 reads
Step by step guide to building and debugging a SQL Server StreamInsight input adapter.
2009-11-25
7,262 reads
A step by step example of how to add pre-calculated closing balances through T-SQL and semi-additive measures from Johan Åhlén.
2009-11-04
7,058 reads
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
By way of background, a while back I did video called “My New Favourite...
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
Comments posted to this topic are about the item How We Handled a Vendor...
Comments posted to this topic are about the item Cognitive Coverage
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