Consider the following TWO relations: Instructor(ID, name, dept_name, salary) Teaches (ID, course_ID, Sec_ID, Semester, Year) Which of the following SQL statements will NOT successfully get instructors who have taught courses in Fall 2020 select name from instructor, teaches where instructor.ID = teaches.ID and Teacher Year 3030
Consider the following TWO relations: Instructor(ID, name, dept_name, salary) Teaches (ID, course_ID, Sec_ID, Semester, Year) Which of the following SQL statements will NOT successfully get instructors who have taught courses in Fall 2020 select name from instructor, teaches where instructor.ID = teaches.ID and Teacher Year 3030
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:Consider the following TWO relations:
Instructor(ID, name, dept_name, salary)
Teaches (ID, course_ID, Sec_ID, Semester, Year)
Which of the following SQL statements will NOT successfully get instructors who have taught
courses in Fall 2020
select name
from instructor, teaches
where instructor.ID = teaches.ID
and Teaches. Year 2020
and Teaches.Semester = Fall;
select name
from instructor, teaches
where instructor.ID = teaches.ID
and Teaches.Year = '2020'
and Teaches.Semester = 'Fall';
select name
from instructor natural join teaches
where Teaches.Year = '2020'
and Teaches.Semester = 'Fall';
select name
from instructor, teaches
where instructor.ID = teaches.ID
che Year like '2020'
Transcribed Image Text:The following table has been created:
CREATE TABLE student table (
stud id NUMBER (6),
last_name VARCHAR2 (20),
first name VARCHAR2 (20),
lunch num NUMBER (4) ) ;
Which one of the following INSERT statements will fail?
O INSERT INTO student table VALUES (143354, 'Roberts', 'Cameron', 6543);
O INSERT INTO student_table (stud_id, last_name, lunch_num) VALUES (143354, Roberts, 6543, 'Cameron');
O INSERT INTO student_table (stud_id, last_name, first_name, lunch_num) VALUES (143354, 'Roberts', 'Cameron', 6543);
O INSERT INTO student_table (stud_id, lunch_num, first_name, last_name) VALUES (143352, 6543, 'Cameron', 'Roberts');
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