A subquery in SQL Server is a query nested inside another query. Subqueries are often used to perform operations that depend on the results of another query. They can be placed in various parts of a ...

Hi readers, this post was about a weird SQL Server behavior related to column scoping and correlated subqueries. I executed this query at my work (changed DB/table names): SELECT * FROM Students WHERE ...

INNER JOIN person_region pr ON pr.region_id = n.id INNER JOIN person p ON p.id = pr.person_id INNER JOIN games_competitor gc ON gc.person_id = p.id INNER JOIN ...