Database Management SystemTU Board 2025
What are selection and projection operators in relational algebra? Given a table with schema Student(Rollno(PK), Fname, Lname, Address, Level, Did(FK)), Department(Did(PK), Dname, HOD) Write an RA…
5What are selection and projection operators in relational algebra? Given a table with schema Student(Rollno(PK), Fname, Lname, Address, Level, Did(FK)), Department(Did(PK), Dname, HOD) Write an RA query to find the name of students who are in 'Bachelor' level living in 'Birgunj' and studies under the department with department head 'Ramesh Sharma'.
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