Introduction TOP is one of the many syntactical operators available in T-SQL and at a first view, it could seem very simple and not particularly interesting. According to the official documentation, it “limits the rows returned in a query result set to a specified number of rows or percentage of rows”. The following is the […]
2019-06-04
5,219 reads
Learn how to remove gaps in Identity values in SQL Server caused by Identity Cache.
2019-06-04
Phil Factor demonstrates how to use SQL Clone to create 'disposable' SQL Server databases, for development and testing work. You can spin up a clone, use it to unit test your code, messing up the clone in the process, then reset the clone in seconds, ready for the next test.
2019-06-04
In this tip we look at how to use Common Table Expressions CTE in SQL Server including the syntax, use cases, using more than 1 CTE at the same time and recursive CTEs with a parameter.
2019-06-04
This article will explain and help to create and deploy ARM templates using the Azure portal. When Azure was first created, Azure resources were managed using the Azure service management (ASM), which is also known as “Classic”. Now this has been replaced and is called the Azure resource manager (ARM) API. ARM is the deployment […]
2019-06-03
2,076 reads
There are many instances when dates and times don't show up at your doorstep in the format you'd like it to be, nor does the output of a query fit the needs of the people viewing it.
2019-06-03
SQL Server has many tools used to make it secure. In this article, Robert Sheldon demonstrates several of these features including SQL Server Configuration Manager and the Vulnerability Assessment tool.
2019-06-03
This will allow you to create "Data-Driven" subscriptions on your Standard SQL Server version.
2019-05-31 (first published: 2017-10-31)
18,298 reads
Wanna make your SQL Server applications go faster? Here are 9 simple tips that will give you a better chance for success. They’re not carved in stone, but they’re a good place to start.
2019-05-31
There is a constant pressure in software delivery to release at speed and often. However, there is no sense in delivering fast if what you deliver contains errors or is of no value to the customer. Our latest blog explains how database unit testing can set your team up for valued software delivery.
2019-05-31
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