Top "Functional-dependencies" questions

A functional dependency is a constraint between two sets of attributes in a relation, in relational algebra, databases and type systems.

Decomposition that does not preserve functional dependency

When can a BCNF decomposition not preserve functional dependency... I am trying to figure this out for say R=(V,…

relational-database database-normalization functional-dependencies
What does the symbol "⊇" mean?

In the attached picture there's a symbol I don't understand. To understand additive functional dependency I need to know what …

normalization database-theory functional-dependencies
Method to find candidate key given FD:s?

I'm practicing taking as input a set of functional dependencies and output candidate key(s). Is there an algorithm and …

relational-database database-normalization relational-algebra functional-dependencies