von Uwe Ricken | Dez. 9, 2024 | 200, DB Engine, SQL Blog
JOIN Elimination in Microsoft SQL Server is an optimization technique with foreign key constraints where the query engine removes redundant JOIN operations during query execution. This occurs when the data from the joined table is not used in the SELECT clause or any...
von Uwe Ricken | Dez. 1, 2024 | DB Engine, Optimierung, SQL Blog
My first article on using foreign key constraints in databases included the claim that using them slows down an application. This article addresses the claim that a Foreign Key Constraint use locks and can cause Deadlocks and thus slow down applications. Claim Foreign...
