When there are several SSIS projects with packages in a SQL Server Database or Data Warehouse development, automated deployments as part of Continuous Integration can get tricky. Nat Sundar describes how he created a Deployment script that is intended to provision a Data Warehouse for System Integrated testing (SIT).
2017-05-08
5,786 reads
Have trouble keeping track of your SQLServer estate? Redgate Foundry are currently researching the area - here's what they've been up to, and how you might be able to help.
2017-05-05
2,873 reads
Managed Disks have simplified way that Azure storage interacts with the users' virtual machines, thanks to the way that it eliminates the need to deal with the Storage Account. It is now easier to add new disks to a virtual machine, either in PowerShell or via the portal. The Storage Spaces feature in Windows Server can be used to aggregate disks together and obtain higher levels of performance. Joshua Feierman explains how to do it all.
2017-05-05
4,376 reads
There may be a time when you want to move a table from one file group to another. It's easy if it contains a clustered index. Read on to learn more.
2017-05-04
3,077 reads
What are all of the JOIN options in SQL Server? What is the significance of each of the options? How does the syntax work? Jeremy Kadlec answers these questions and more.
2017-05-04
4,136 reads
Using very few megabytes and taking very little time, SQL Clone can quickly creates multiple copies of very large databases. How? It might sound like magic, but it's not; in this blog post Redgate developer Chris Hurley goes into the details of how the technology works.
2017-05-03
3,687 reads
Load balancing in Azure has more importance for the DBA, because it is essential for Windows Server Failover Clustering in Azure, whether it is for AlwaysOn Availaiblity Groups, Failover Clustered Instances, or any other highly-available solution. Azure load balancing works out the location of the availability group, and routes traffic there. The load balancer detects a failure, and routes traffic to the new primary replica. Joshua Feierman gives an overview of what is required.
2017-05-02
4,451 reads
Louis Davidson shows how to save a defined SQL formatting style as a shareable template that you can quickly share with your coworkers.
2017-05-02
5,605 reads
If you are introducing DevOps workflows into a large organization, you’ll need to plan carefully and prioritize tasks, adapt, maintain a thick skin, communicate constantly, and ensure that all...
2017-05-01
2,454 reads
Andy Mallon explains DTUs (Database Transaction Units) and the differences you might see between the documentation and practical usage.
2017-05-01
6,723 reads
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
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