Community driven content discussing all aspects of software development from DevOps to design patterns. The goal of Hibernate and JPA is to hide the complexity of SQL and relational databases from the ...

You will fail to connect to your database if the SQL Server service is not running. If you try running the SQL Server service from the Services.msc app, you will ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

I'm using a EF Core 6 DbContext transaction to create/update entities on a SQL Server temporal table. The data I'm processing (array of items) has a key (Year-Sequential, like: 2023-001, 2023-002, etc ...

Microsoft's relational database engine has had the same licensing model since 2012. The new version released this week brings significant changes that brings SQL Server closer to Azure SQL's licensing ...

An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception. Database engines like SQL Server are incredibly complex ...

The data type xml cannot be used as an operand to the UNION, INTERSECT or EXCEPT operators because it is not comparable. It doesn't matter whether the XML field is affected or not in the query.

It’s surprisingly easy to stop query folding happening in Power Query by changing the data type of a column. This is mentioned in the docs here, and it’s something several people have blogged about ...