Create a View to show the city name of any location that has a department. Only show the city name once in the results. You must use a non-correlated subquery. Call this view: Department_Locations Include a second query to display from the View after it is created. Refer to the attached for the table.
Create a View to show the city name of any location that has a department. Only show the city name once in the results. You must use a non-correlated subquery. Call this view: Department_Locations Include a second query to display from the View after it is created. Refer to the attached for the table.
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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Question
Create a View to show the city name of any location that has a department. Only show the city name once in the results. You must use a non-correlated subquery.
Call this view: Department_Locations
Include a second query to display from the View after it is created.
Refer to the attached for the table.
![Employees
-OH
-O+PK employee_id
Manages
first_name
last_name
email
phone_number
hire_date
job_id [FK]
salary
commission_pct
manager_id [FK]
department_id [FK]
-Heads
Regions
PK region_id
region_name
Hired
Ho -Grouped
-O+ PK job_id
job_title
min_salary
max_salary
-Attached-
O
Jobs
Departments
O+ PK department_id
XE
department_name
manager_id [FK]
location_id [FK]
Countries
PK country_id
country_name
region_id [FK]
PK
Detailed PK
Ho
-Located
Ho-Resides
Job History
employee_id [FK]
start_date
end_date
department_id [FK]
job_id [FK]
-Associated-
Locations
o+ PK location_id
street_address
postal code
city
state_province
country_id [FK]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa4bd34a9-cad0-4bb6-9739-21da21649a7b%2Fbb4bebf6-f0cd-4ffa-ae86-f0de3b27b038%2Fssn9h1_processed.png&w=3840&q=75)
Transcribed Image Text:Employees
-OH
-O+PK employee_id
Manages
first_name
last_name
email
phone_number
hire_date
job_id [FK]
salary
commission_pct
manager_id [FK]
department_id [FK]
-Heads
Regions
PK region_id
region_name
Hired
Ho -Grouped
-O+ PK job_id
job_title
min_salary
max_salary
-Attached-
O
Jobs
Departments
O+ PK department_id
XE
department_name
manager_id [FK]
location_id [FK]
Countries
PK country_id
country_name
region_id [FK]
PK
Detailed PK
Ho
-Located
Ho-Resides
Job History
employee_id [FK]
start_date
end_date
department_id [FK]
job_id [FK]
-Associated-
Locations
o+ PK location_id
street_address
postal code
city
state_province
country_id [FK]
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