About this document
03 RAlgebra PDF by Om Prakash Mahato is a document available to read on EtoBox.
The document discusses relational algebra operations for querying and updating databases. It covers set operations like union, intersection, difference applied to relations. It also covers unary operations like selection using predicates, projection to extract attribute subsets, and join operations to combine information from multiple relations. Natural join combines tuples with equal values on common attributes, while theta join uses a comparison predicate. The relational algebra provides an algebraic fram
- Author
- Om Prakash Mahato
- Language
- EN