It’s not you, it’s me (I/O troubleshooting)
Monica Rathburn talks about a few of the more common elements she always checks for when troubleshooting I/O problems.
2017-05-26
3,491 reads
Articles
Getting Started with Azure SQL Data Warehouse - Part 4
Azure SQL Data Warehouse is a new enterprise-class, elastic petabyte-scale, data warehouse service. Join Arshad Ali as he discusses round-robin and distributed tables, and how to create them. He also discusses how partitioning works in SQL Data Warehouse and looks at the impact of choosing the right distribution key. As a bonus Arshad shows you how to leverage PolyBase to quickly and easily import or export data from SQL Data Warehouse.
2017-05-25
3,392 reads
Training: Zero to BIML
A four-day course aimed at BI developers who want to use Business Intelligence Markup Language (BIML) to generate SQL Server Integration Services packages.
2017-05-25
3,411 reads
Masking your on-premise database with SQL Data Mask
In the last update from Redgate Foundry three weeks ago, they announced their intention to build a version of SQL Data Mask that would mask on-premise SQL Server databases, as well as Azure SQL Databases. They're pleased to say this version of the prototype is now available - here are the details.
2017-05-24
2,809 reads
2017-05-23
5,500 reads
Azure Networking for SQL Server DBAs
The network is important to any DBA because so much performance is dependent on I/O, because of the importance of security, and ensuring that everyone get the right access. DBAs generally need not become experts in Azure networks, but it helps to understand the concepts and language. If you are running a SQL Server Virtual Machine in Azure, then VNets, Subnets, Network Security Groups, VNet peering and VPN gateways are all worth knowing about in order to to keep SQL Servers running smoothly.
2017-05-23
3,526 reads
How to document multiple SQL Server databases using SQL Doc and PowerShell
You can use SQL Doc’s command-line parameters to automate database documentation, but when you try with a group of databases on a server, they sometimes don’t give you enough control over the job. Phil Factor provides a solution that allows both automation and flexibility.
2017-05-23
4,307 reads
Azure DWH part 9: Azure PHP and ASDW
In this new Azure Data Warehouse article, we will show how to insert data and retrieve it using PHP.
2017-05-22
647 reads
Step-by-step Installation of SQL Server 2016 on a Windows Server 2016 Failover Cluster - Part 4
Continuing his series covering a step-by-step Installation of SQL Server 2016 on a Windows Server 2016 Failover Cluster, Edwin Sarmiento looks at adding a node to an existing SQL Server 2016 failover clustered instance (FCI).
2017-05-22
3,097 reads
Webinar: Extending DevOps practices to SQL Server databases
In this free demo webinar, Steve Jones and Arneh Eskandari will show how Redgate’s database DevOps solution works to improve your database development and deployment processes. With a focus on using Team Foundation Server (TFS) work items, the webinar will demonstrate how Redgate tools plug into TFS, TFS Build, and Microsoft Release Management. Register now.
2017-05-22
2,620 reads
Blogs
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...
Au Revoir for now
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
Forums
Let's Talk Certifications
Comments posted to this topic are about the item Let's Talk Certifications, which is...
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