MIS562 Week 4 in MySQL – 22 queries – Instant Delivery – Perfect Solution

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Name: _______________________

Homework (100 points)
Please use the template below to provide your answers. Be sure to add your SQL Query and executed output from your input SQL Query. Any answers without executed output WILL NOT earn any credit.
Part 1
Using the tables created in week 2:
Question ( 4 pts per question) SQL Statement or Answer
1. Show a list of all employee names and their department names and the employees for each department. Be sure to show all departments whether there is an employee in the department or not. Use an outer join.
2. Select all employee names and their department names. Be sure to show all employees whether they are assigned to a department or not. Use an outer join.

Using the student schema:
Question ( 3 pts per question) SQL Statement or Answer
3. Write a query that that performs an inner join of the grade, student, and grade_type tables.
4. Write a query that that performs an inner join of inner join of the grade, student, and grade_type tables using inner join convention.
5. List all the zip codes in the ZIPCODE table that are not used in the STUDENT or INSTRUCTOR tables.
6. Write a SQL statement using a set operator to show which students enrolled in a section that are not enrolled in any classes. Exclude students with student id greater than 300.

Part 2
Question ( 5 pts per question) SQL Statement or Answer
1. Write and execute two INSERT statements to insert rows into the ZIPCODE table for the following two cities of your choice. After your INSERT statements are successful, make the changes permanent.
2. Create a sequence called STUDENT_ID_NEW that begins with 900 and increments by 1. If the sequence already exists, drop the sequence and recreate it.
3. Make yourself a student by writing and executing an INSERT statement to insert a row into the STUDENT table with data about you. Use one of the zip codes you inserted in Exercise 1. Only insert values into the columns STUDENT_ID using the sequence you created in step 2, FIRST_NAME, LAST_NAME, ZIP, REGISTRATION_DATE (use a date that is five days after today), CREATED_BY, CREATED_DATE, MODIFIED_BY, and MODIFIED_DATE. Issue a COMMIT command afterwards.

4. Write an UPDATE statement to update the data about you in the STUDENT table. Update the columns SALUTATION, STREET_ADDRESS, PHONE, and EMPLOYER. Be sure to also update the MODIFIED_DATE column and make the changes permanent
5. Delete the row in the STUDENT table and the two rows in the ZIPCODE table you created. Be sure to issue a COMMIT command afterwards
6. Create a table called TEMP_STUDENT with the following columns and constraints: a column STUDID for student ID that is NOT NULL and is the primary key, a column FIRST_NAME for student first name; a column LAST_NAME for student last name, a column ZIP that is a foreign key to the ZIP column in the ZIPCODE table, a column REGISTRATION_DATE that is NOT NULL
7. Write an INSERT statement violating at least two of the constraints for the TEMP_STUDENT table you just created.
8. Write another INSERT statement that succeeds when executed, and commit your work.

9. Alter the TEMP_STUDENT table to add two more columns called EMPLOYER and EMPLOYER_ZIP. The EMPLOYER_ZIP column should have a foreign key constraint referencing the ZIP column of the ZIPCODE table. Update the EMPLOYER column.
Use Google as your employer and use zip code 94043
10. Alter the table once again to make the EMPLOYER column NOT NULL.
11. Write a statement that drops the EMPLOYER_ZIP column.
12. Drop the TEMP_STUDENT table once you’re done with the exercise.
13. Create a non unique index called crse_modified_by_i on the MODIFIED_BY column of the course table
14. Change the registration date of Regina Gates to today’s date. Create a view called CURRENT_REGS reflecting all students that registered today. (You will need to execute this query in question 6 on the same day you change the date)
15. Create a view called roster reflecting all students taught by the instructor Marilyn Frantzen. Query the view.

16. Given the MY_EMPLOYEE view, what information is the user allowed to retrieve? Who can update the SALARY column through the view? Hint: The USER function returns the name of the currently logged in user.
CREATE OR REPLACE VIEW my_employee AS
SELECT employee_id, employee_name, salary, manager
FROM employee
WHERE manager = USER
WITH CHECK OPTION CONSTRAINT my_employee_ck_manager

Relevant Material
Screenshots
Lab4: Screenshot2

Lab4: Screenshot2

Lab4: Screenshot1

Lab4: Screenshot1

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