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I am looking for some help to solve this question. I cannot figure out how to solve it and the code below is all I have. The application being used: PostgreSQL edition 12 or 13. I must use LANGUAGE PLPGSLQ as that is what the professor is looking for.

I am looking for some help to solve this question. I cannot figure out how to solve it and the code below is all I have. The application being used: PostgreSQL edition 12 or 13. I must use LANGUAGE PLPGSLQ as that is what the professor is looking for.

Computer Networking: A Top-Down Approach (7th Edition)
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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Hi,

I am looking for some help to solve this question. I cannot figure out how to solve it and the code below is all I have.

The application being used: PostgreSQL edition 12 or 13. I must use LANGUAGE PLPGSLQ as that is what the professor is looking for.

Thank you for your help.

Tables in the DB:
instructor (id, name, dept_name, salary)
teaches (id, course_id, sec_id, semester, year)

CREATE TEMPORARY TABLE instructor_course_nums (
ID VARCHAR(5),
name VARCHAR(20),
tot_courses INTEGER
);

CREATE OR REPLACE PROCEDURE Moreno_03_insCourseNumsProc(INOUT i_ID VARCHAR(5))
LANGUAGE PLPGSQL
AS
$$
BEGIN
SELECT name INTO instructor.name FROM instructor WHERE instructor.id = i_id;
SELECT COUNT(*) INTO course FROM teaches WHERE teaches.id = i_id;
SELECT COUNT(*) INTO l_Exist_count FROM instructor_course_nums WHERE instructor_id= i_id;
END;
$$;

2 3 CREATE TEMPORARY TABLE instructor_course_nums ( 4 ID VARCHAR (5), name VARCHAR (20), tot_courses INTEGER 7 ) ; 8. 9. CREATE OR REPLACE PROCEDURE Moreno_03_insCourseNumsProc (INOUT i_ID VARCHAR (5)) 10 LANGUAGE PLPGSQL 11 AS 12 $$ 13 ▼ BEGIN 14 SELECT name INTO instructor.name FROM instructor WHERE instructor.jd i_id; 15 SELECT COUNT (*) INT0 course FROM teaches WHERE teaches.id = i_id; 16 SELECT COUNT ( *) INTO l_Exist_count FROM instructor_course_nums WHERE instructor_id= i_id; 17 END; 18 $$; Data Output Explain Messages Notifications ERROR: "instructor.name" is not a known variable LINE 12: SELECT name INTO instructor.name FROM instructor WHERE ins... SQL state: 42601 Character: 234
Transcribed Image Text:2 3 CREATE TEMPORARY TABLE instructor_course_nums ( 4 ID VARCHAR (5), name VARCHAR (20), tot_courses INTEGER 7 ) ; 8. 9. CREATE OR REPLACE PROCEDURE Moreno_03_insCourseNumsProc (INOUT i_ID VARCHAR (5)) 10 LANGUAGE PLPGSQL 11 AS 12 $$ 13 ▼ BEGIN 14 SELECT name INTO instructor.name FROM instructor WHERE instructor.jd i_id; 15 SELECT COUNT (*) INT0 course FROM teaches WHERE teaches.id = i_id; 16 SELECT COUNT ( *) INTO l_Exist_count FROM instructor_course_nums WHERE instructor_id= i_id; 17 END; 18 $$; Data Output Explain Messages Notifications ERROR: "instructor.name" is not a known variable LINE 12: SELECT name INTO instructor.name FROM instructor WHERE ins... SQL state: 42601 Character: 234
4. For this problem create a table called instructor_course_nums. Write a procedure that accepts an instructor ID as input. The procedure calculates the total number of course sections taught by that instructor, and adds a tuple to the instructor_course_nums table consisting of the instructors ID number, name, and total courses taught - call these attributes: ID, name, and tot_courses. If the instructor already has an entry in the table, then the procedure makes sure the total number of courses taught in the instructor_course_nums table is up-to-date. You must name your procedure: <LastName>_<DOB_Day0fMonth>_insCourseNumsProc Where <LastName> is your last name and <DOB_DayofMonth> is the day of the month you were born. Below is an example of how I named my procedure: Morabito 05 inscourseNumsProc
Transcribed Image Text:4. For this problem create a table called instructor_course_nums. Write a procedure that accepts an instructor ID as input. The procedure calculates the total number of course sections taught by that instructor, and adds a tuple to the instructor_course_nums table consisting of the instructors ID number, name, and total courses taught - call these attributes: ID, name, and tot_courses. If the instructor already has an entry in the table, then the procedure makes sure the total number of courses taught in the instructor_course_nums table is up-to-date. You must name your procedure: <LastName>_<DOB_Day0fMonth>_insCourseNumsProc Where <LastName> is your last name and <DOB_DayofMonth> is the day of the month you were born. Below is an example of how I named my procedure: Morabito 05 inscourseNumsProc
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