Cybersecurity threats
Not a week goes by without news of a new cyberattack. In this article, Robert Sheldon explains the cybersecurity threats in today’s world.
2021-10-29
Articles
Connecting to Amazon DocumentDB with MongoDB Drivers
With Amazon DocumentDB developers and DBAs can balance availability, read scalability, and latency with five pre-configured consistency levels. The data in an Amazon DocumentDB cluster is accessible just like a MongoDB 3.6 cluster. The CData Software Drivers for MongoDB provide a SQL-like interface to MongoDB data through standards-based drivers. This allows users to see their data in the […]
2021-10-27
513 reads
5 things to look for in a monitoring tool
A key finding from Redgate’s recent State of Database Monitoring Survey of over 2,500 IT professionals was that 79% of respondents reported using either a third-party or in-house monitoring tool. It’s notable because it’s an increase of 10 percentage points from the same survey last year. But when should you use an in-house tool, and when should you take the plunge and invest in a third-party monitoring tool like SQL Monitor?
2021-10-27
How to successfully deploy databases with external references
Database objects often have references to external databases which makes continuous integration problematic. In this article Liz Baron and Sebastian Meine demonstrate a solution.
2021-10-27
Design your systems and processes for auditability
I have worked in more than one regulated industry, and since the banking crisis of 2008, I have witnessed a sea change in the approach to regulation. The UK Financial Services Authority (FSA) was seen to be a toothless tiger. The UK government replaced the FSA with two separate bodies, each with its own more […]
2021-10-25
1,641 reads
Dealing with Failed SQL Migrations in MariaDB or MySQL
Although it is easy to get started with Flyway, there are times when real-life can trip you up. Discover the fastest ways to restore the previous version of the database, to recover from a failed Flyway migration that leaves the database in an indeterminate state, and then how to adapt your database development process to avoid these problems.
2021-10-25
SQL String functions in SQL Server, Oracle and PostgreSQL
In this article we look at how to use string functions to concatenate, replace, trim and get substrings in SQL Server, Oracle and PostgreSQL.
2021-10-25
CData Connect: Derived Views and Query Federation
Big data plays a key role in promoting both manufacturing and scientific development through industrial digitization and emerging research. Integrating big data demands scalable tools for enabling not only big data ingestion and curation but also efficient large-scale exploration and discovery. There is a solution to scale up to large volumes of data distributed across multiple […]
2021-10-22
296 reads
Flyway with MariaDB for Those of a Nervous Disposition
This article from Phil Factor will get you up and running quickly with Flyway migrations on MariaDB or MySQL databases, from PowerShell.
2021-10-22
Working with SQL Server identity columns
SQL Server identity columns are easy to add to a table, but you must understand how they work to use them effectively. In this article, Greg Larsen explains the nuances of SQL Server identity columns.
2021-10-22
Blogs
How to Clear the SSMS Cache (SSMS 21 and Later)
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
The flight recorder: Replaying what an AI agent did on my SQL Server
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
Announcements from the Microsoft Fabric Community Conference — Barcelona 2026
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
Forums
Let's Talk Certifications
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The Hidden Security Risks of Role Combination in SSAS Tabular
Comments posted to this topic are about the item The Hidden Security Risks of...
The Empty Aggregate
Comments posted to this topic are about the item The Empty Aggregate
Question of the Day
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