Question In a relational database, if A is a foreign key in relation R that references the primary key B in relation S, and X represents the set of non-null values in A, while Y is the set of all …
Relational Algebra and Relational Calculus Your go-to resource for mastering database concepts in GATE and UGC NET exams. Introduction to Relational Algebra Relational Algebra is a procedural query language used to retrieve and manipulate data stored in a …
Relational Algebra and Relational Calculus Notes Detailed study material for GATE and UGC NET Computer Science aspirants. Introduction to Relational Algebra Relational Algebra is a procedural query language used to query databases in the relational model. It forms …
GATE 2025: DBMS Weightage, Important Topics, and Detailed Analysis Introduction Database Management System (DBMS) is one of the most important subjects for GATE CS/IT aspirants. It consistently contributes 7-8 marks, making it a high-scoring and easy-to-master subject. In this post, …
