SQL Query Analysis with Schema Schema: student(rollNo, name, degree, year, sex, deptNo, advisor): deptNo: Foreign key referencing deptId in the department relation. advisor: Foreign key referencing empId in the professor relation. department(deptId, name, hod, phone): hod: Foreign key referencing empId …
Understanding ER Diagrams and Relational Mapping in DBMS Question: Which of the following statements is true about the above ER diagram? The minimum number of relations required for the above ER diagram is 2. Attribute C will be present as …
Are you preparing for GATE CSE, NTA UGC NET, ISRO, or NIELIT Computer Science exams? Understanding DBMS and mastering SQL is crucial for scoring high in competitive exams. This article contains carefully selected practice questions on functional dependencies, normalization (3NF …
