While working on a data management solution you might have encountered a situation where you had to put multiple OR conditions in the where clause. Sometimes end user may ask for a wide kind of report ...

I just wasted 45 minutes debugging a query… because I used UNION instead of UNION ALL.😩 Sound familiar? Most of us have been there — staring at wrong results, duplicate rows, or mysteriously missing ...

We have encountered an issue where a complex Entity Framework Core query involving grouping, a union of two sequences, and a subsequent cross join does not translate correctly to SQL. The EF query ...

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 ...