When you want to find all the objects that are missing a corresponding object, then you need the LINQ equivalent of an outer join. Here, step by painful step, is how to build that query. Here's a ...

As I described here, Power BI can send SQL queries in parallel in DirectQuery mode and you can see from the Timeline column there is some parallelism happening here – the last two SQL queries ...

Twice in the past couple of months I’ve gotten tripped up by the same data issue when using LINQ to Entities in the .NET framework. I create a simple view in my database which performs some ...

Microsoft has just added support for query hints to Azure SQL Database, giving database administrators a powerful tool to manage the performance of ISV application code. Here's how it works. Database ...

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...