SQL’s JOIN definition is very simple. It is the filtered Cartesian product of two tables, represented by syntax A JOIN B ON …. The general definition does not capture the essence of JOIN operations, ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Once you’ve installed SQLite, you’ll probably want to learn how to maneuver around the ...

A seasoned software engineer with extensive experience in building complex distributed data-intensive backend services. The most general way to satisfy a COUNT DISTINCT or SELECT DISTINCT clause is to ...

SQL Server is one of the best products to come out of Microsoft, but not every professional knows how to use it effectively. For example, some might find it difficult to create a stored procedure but ...

"The MERGE statement conflicted with the FOREIGN KEY SAME TABLE constraint "FK_Fund_ParentFund". The conflict occurred in database "fund-data-db", table "Master.Fund", column 'Id'." Idem when I ...

I've said it before and I'll say it again: If you want to speed up your application, don't look at your code, look at your data access. The two slowest things you can do in application development are ...