SQL Server Post Update Failure | Troubleshooting - In this tip we look at the steps to recover missing SQL Server mssqlsystemresource database files that cause SQL Server not to startup. This can occur when an update to SQL Server does not complete successfully therefore making these files absent from the folder where they need to reside.
2019-11-06
Learn how to implement a report that recursively walks a hierarchy in a table.
2019-11-05
10,791 reads
Is DevOps central to your 2020 IT Digital transformation? How does your IT strategy underpin the business objectives? Read our latest blog to ensure you’re ready for success next year.
2019-11-05
Learn how to use the different types of joins available in a MySQL database.
2019-11-05
As we approach 2020, demand for more frequent deployments continues to rise. With this, management of SQL Server availability needs to evolve.
Now’s the time to consider how SQL Server monitoring could improve your deployment performance. In this whitepaper, learn how SQL Server monitoring can help your development and DBA teams work together to remove bottlenecks and enable faster, more reliable deployments.
2019-11-04
In this article, Kathi Kellenberger takes on a logic puzzle in trying to understand how the windowing function, PERCENTILE_CONT, works.
2019-11-04
2019-11-01 (first published: 2017-09-11)
5,523 reads
In this tip we look at how to use the SQL Server Maintenance Designer to build maintenance plans for your databases and instance.
2019-11-01
Are you ready for growth in 2020? Whether that means wider business growth which you and your team will be expected to support, expansion of your SQL Server estate, or even your own professional development. Join Redgate in this free webinar on November 20th and be prepared for the coming year.
2019-11-01
2019-10-31
10,638 reads
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
Comments posted to this topic are about the item Let's Talk Certifications
Comments posted to this topic are about the item The Hidden Security Risks of...
Comments posted to this topic are about the item The Empty Aggregate
I have this table in a SQL Server 2025 database:
CREATE TABLE [dbo].[CustomerOrder] ( [OrderID] [int] NULL, [CustomerID] [int] NULL, [total] [money] NULL ) ON [PRIMARY] GOWhat is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
COUNT(total) AS count
FROM dbo.CustomerOrder;
See possible answers