Consider the relations Courses1. Courses2, Enrollment and Students. Enrollment sid cid 101 Al 102 AS 103 BI 102 Al 102 A2 Coursesl cid ename Courses2 cid name AS Location Classroom L3 L4 LI A2 Algebra AS English Al Calculus | L2 History B2 English BI | L3 | Computing L5 Student(sid, sname, age, level) _(1) Give the results of the following relational Lalgebra expressions: a) Tcid (0 name ="History' OR "Computing (Courses2)) b) Courses1-Courses2 c) CourseslnCourses2 d) Courses1 Enrollment e) Enrollment / Tcid (Courses1)
Consider the relations Courses1. Courses2, Enrollment and Students. Enrollment sid cid 101 Al 102 AS 103 BI 102 Al 102 A2 Coursesl cid ename Courses2 cid name AS Location Classroom L3 L4 LI A2 Algebra AS English Al Calculus | L2 History B2 English BI | L3 | Computing L5 Student(sid, sname, age, level) _(1) Give the results of the following relational Lalgebra expressions: a) Tcid (0 name ="History' OR "Computing (Courses2)) b) Courses1-Courses2 c) CourseslnCourses2 d) Courses1 Enrollment e) Enrollment / Tcid (Courses1)
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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