Consider the following SQL query that seeks to find a list of titles of all coursestaught in Spring 2017 along with the name of the instructor.select name, titlefrom instructor natural join teaches natural join section natural join coursewhere semester = 'Spring' and year = 2017What is wrong with this query?
Consider the following SQL query that seeks to find a list of titles of all coursestaught in Spring 2017 along with the name of the instructor.select name, titlefrom instructor natural join teaches natural join section natural join coursewhere semester = 'Spring' and year = 2017What is wrong with this query?
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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Consider the following SQL query that seeks to find a list of titles of all courses
taught in Spring 2017 along with the name of the instructor.
select name, title
from instructor natural join teaches natural join section natural join course
where semester = 'Spring' and year = 2017
What is wrong with this query?
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