Introduction This article will help you install the Docker Desktop for Mac. Before we show that, let us start by understanding what the Docker Desktop software can do for you. To understand Docker, we need to understand what a container is. If you remember a few years ago, the only way of deploying application code […]
2021-04-20
1,568 reads
In this article we look at the steps to recover a deleted TDE key that is being used by Azure SQL Database for database encryption.
2021-04-20
393 reads
In this article, Shel Burkow uses the SQL execution plan from the previous article to write a program in Scala.
2021-04-20
Introduction This article shows how common table expressions (CTE) in SQL Server are naturally suited for navigating trees, such as finding its longest path, or diameter. Recall that a tree is an undirected graph where unique paths exist between any two nodes (i.e. vertices). Any node may be selected as its top node, with its […]
2021-04-19
8,231 reads
In this article we look at using Window Functions in SQL Server, Oracle and PostgreSQL to see the differences and similarities of the syntax.
2021-04-19
The 2021 State of Database Monitoring survey is now open, and we want to know how you’re currently tackling your server, instance, and database monitoring. By taking part, you’ll contribute to the sole industry-wide report on database monitoring, and provide insights into how SQL Server professionals manage their estates and what challenges they face. Plus, you’ll receive an advanced copy of the report and entry to a prize draw to win a $500 Amazon voucher.
2021-04-19
After reading a recent article on identifying islands and gaps in sequential numbers, one of our readers was inspired to develop a more efficient solution for fragmented data. New Author Goce Smilevski brings us his solution and supporting data to show how this can be done better.
2021-04-16 (first published: 2004-11-22)
11,409 reads
A frequent question among those learning about DevOps is "How do we do code reviews in this automated process?". Grant Fritchey shares three options - and a word of caution - to ensure you can appropriately understand the changes happening in your system.
2021-04-16
Keeping databases secure is critical. In this article, Robert Sheldon explains what to monitor for SQL Server security.
2021-04-16
I was asked to load multiple Excel files, each with multiple Excel worksheets. I found a very easy way to complete this in SSIS using a Script Task. This article will explain how I did this. For this example, I have two Excel files, File1.xlsx and File2.xlsx, as shown here: Each Excel File has three […]
2021-04-15
8,399 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
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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