With SQL Server now supported on Linux, traditional SQL Server DBAs will need to learn how to work with Linux, and Linux administrators will need to learn how to work with SQL Server. Fortunately, there are several tools available to assist. In this article Prashanth Jayaram describes how to work with the DMV tool which treats queries as files.
2018-04-09
2,500 reads
A myriad of laws regulate data retention and generally compete with each other. William Brewer provides an introduction to the principles, but gives good advice -- leave the details to the specialists.
2018-04-06
2,948 reads
Siddharth Mehta looks at how and why to use Sankey charts and how this can be done in Power BI Desktop.
2018-04-05
3,082 reads
Azure Cosmos DB offers features that facilitate data availability and resiliency. However, there is also a different, very important aspect of facilitating access to distributed data sources in the most optimal manner, which focuses on access control mechanisms. Read on to learn the specifics of this aspect, as it applies to Azure Cosmos DB.
2018-04-04
2,223 reads
T-SQL does not have an easy way to transpose a row and a column. Of course, there is the PIVOT statement, but it doesn’t quite accomplish the task. In this article, Darko Martinovic shares another method using a SQLCLR stored prodedure.
2018-04-03
5,350 reads
When you’re planning for disaster recovery, offsite backups in the cloud are an attractive option. SQL Server Management Studio makes it easy to back up to the cloud inside the GUI, and you can learn how in just 90 seconds.
2018-04-02
3,400 reads
Tara Kizer explains that many of you are troubleshooting Parameter Sniffing issues the wrong way in production. In this three-part series, she will show you how to troubleshoot it the right way.
2018-03-30
3,974 reads
SQL Server 2017 now includes a new feature to represent complex relationships in data called Graph Databases. Robert Sheldon introduces Graph Databases in the first article of this new series.
2018-03-29
4,343 reads
With GDPR on the imminent horizon, there are many things that Data Platform engineers need to consider with regards to the rights of data subjects. Primary among these is understanding the impact of requests to be forgotten and updates to a person's data when it comes to restoring databases. If you have data that is within the scope of the GDPR then here are some thoughts on extra processes for your DR planning.
2018-03-28
3,302 reads
Once you enable your database to be encrypted with Transparent Data Encryption (TDE), the physical database files, and the database backups are encrypted. If your database and database backup are encrypted, then how can you send the encrypted backup to a person outside your organization?
2018-03-27
2,947 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...
WA:08218154393 Jl. Asia Afrika No.122-124, Paledang, Kec. Lengkong, Kota Bandung, Jawa Barat 40261
WA:08218154393 Jalan Marsma R. Iswahyudi 05, Rukun Tetangga No.20, Sepinggan, Kecamatan Balikpapan Selatan, Kota...
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