Create Azure VM from a VHD image
Learn how to create an Azure VM image that can be used to quickly deploy new Azure VMs that are preconfigured based on your image settings.
2021-02-02
Learn how to create an Azure VM image that can be used to quickly deploy new Azure VMs that are preconfigured based on your image settings.
2021-02-02
Flyway is a multi-platform, cross-database version control tool. Carlos Robles explains Flyway’s history and shows how it works.
2021-02-02
Overview PostgreSQL is a free and general purpose open source object-relational database system that uses and extends the SQL language and Python is a high level, interpreted general purpose language. This article covers basic integration of Python with PostgreSQL apparently how we can establish connection with PostgreSQL database using Python program and perform CRUD operations on […]
2021-02-01
6,529 reads
In this tip we look at how to parse the SQL Server error log to only extract the errors and corresponding error messages.
2021-02-01
It's probably not your fault, but relying on the defaults of a SQL Server installation might be impacting the performance of your instance.
2021-01-29 (first published: 2018-11-01)
7,230 reads
In this article we look at the different SQL syntax you need to use when updating data when joining tables for SQL Server, Oracle and PostgreSQL.
2021-01-29
In my last article, I wrote about the SQL Memorial structure for publishing information on the Internet for others to view. I had chosen Jekyll as a way of taking information in files and publishing it as a good looking website. However, I don't want to manually run Jekyll and copy the results to a […]
2021-01-28
1,616 reads
Phil Factor demonstrates how to use Extended Events to detect acquisition of Intent locks, and so determine which databases are active or apparently 'dormant', and then on which tables data has been modified recently, or which views and stored procedures have been run.
2021-01-28
New methods and usage for themes were recently introduced for Power BI and in this article we cover how you can use these and customize them for Power BI.
2021-01-28
Introduction One of the projects I've been wanting to tackle for some time is putting up a memorial for those people that our community has lost. I talked about it when Dwain Camps passed, and I kicked myself for not having something available when Tom Roush passed. Recently Gareth Swanepoel suddenly left us after COVID-19 […]
2021-01-27
2,410 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