Diagnose and resolve latch contention on SQL Server
This guide describes how to identify and resolve latch contention issues observed when running SQL Server applications on high concurrency systems with certain workloads.
2021-08-30
This guide describes how to identify and resolve latch contention issues observed when running SQL Server applications on high concurrency systems with certain workloads.
2021-08-30
Learn how to schedule processes in Azure SQL Database using an Azure Function in this easy to follow step by step tutorial.
2021-08-30
Well-formatted scripts are always easier to maintain and enhance readability to high degree. Formatting standards are an important part of coding standards anywhere and if not, they need to be. If there are a large number of scripts this can add up to a significant amount of time needed to maintain them. It is also […]
2021-08-27
9,620 reads
Learn how to execute the same batch of SQL Server commands X number of times using the GO command.
2021-08-27
Get started with running Flyway migrations on SQLite databases, using PowerShell.
2021-08-27
In this tip find out how to use Azure Data factory to build an incremental pipeline from Azure SQL Database to Databricks.
2021-08-25
Introduction In my last article, Working with Azure IoT Central at SQLServerCentral, I gave an overview of Azure IoT Central. I had connected my mobile phone as a device to Azure IoT Central and collected the telemetry data. In this article, I will export the telemetry data continuously from Azure IoT Central to Azure SQL […]
2021-08-23
3,891 reads
Phil Factor brings us yet another lesson in Flyway and database migrations. Learn how to use PowerShell with Flyway to run SQL migration scripts that will build, fill and modify a PostgreSQL database.
2021-08-23
In this article we look at solving SQL Server database restore issue when backup file does not show up in SSMS restore GUI as well as other permissions issues with backup and restore.
2021-08-23
Learn how to gather metadata information about the files being processed in your ADF pipeline.
2021-08-20
23,838 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