2. Use RELATIONAL ALGEBRA to write the following queries: a) Find names and surnames of professors, who teach a course in "Biology" programme b) Find the student IDs and names of students who have not taken any exam (from any course) c) Find student IDs of students who have passed every exam from "Data Science" programme d) Find the course IDs and names of courses that have been passed by at least two different students (If a course was taken it means that a student wrote an exam on that course)

2. Use RELATIONAL ALGEBRA to write the following queries: a) Find names and surnames of professors, who teach a course in "Biology" programme b) Find the student IDs and names of students who have not taken any exam (from any course) c) Find student IDs of students who have passed every exam from "Data Science" programme d) Find the course IDs and names of courses that have been passed by at least two different students (If a course was taken it means that a student wrote an exam on that course)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Could you please answer all the quastion please ASAP?
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