Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

PLEASE HELP WITH ASSIGNMENT!!!!! (the bottom two tables in red text which are hard to read are the image table and message_image table respectively) message

PLEASE HELP WITH ASSIGNMENT!!!!!

image text in transcribed

(the bottom two tables in red text which are hard to read are the "image" table and "message_image" table respectively)

message table info

+------------+-----------+-------------+--------------------------------------------+---------------------+ | message_id | sender_id | receiver_id | message | send_datetime | +------------+-----------+-------------+--------------------------------------------+---------------------+ | 1 | 1 | 2 | Congrats on winning the 800m Freestyle! | 2016-12-25 09:00:00 | | 2 | 2 | 1 | Congrats on winning 23 gold medals! | 2016-12-25 09:01:00 | | 3 | 3 | 1 | You're the greatest swimmer ever | 2016-12-25 09:02:00 | | 4 | 1 | 3 | Thanks! You're the greatest sprinter ever | 2016-12-25 09:04:00 | | 5 | 1 | 4 | Good luck on your race | 2016-12-25 09:05:00 | +------------+-----------+-------------+--------------------------------------------+---------------------+

person table info

+-----------+------------+-----------+--------------------+ | person_id | first_name | last_name | email | +-----------+------------+-----------+--------------------+ | 1 | Michael | Phelps | NULL | | 2 | Katie | Ledecky | NULL | | 3 | Usain | Bolt | NULL | | 4 | Allyson | Felix | NULL | | 5 | Kevin | Durant | NULL | | 7 | Custom | Name | custom@email.com | +-----------+------------+-----------+--------------------+

contact_list table info

+---------------+-----------+------------+----------+ | connection_id | person_id | contact_id | favorite | +---------------+-----------+------------+----------+ | 1 | 1 | 2 | n | | 2 | 1 | 3 | n | | 3 | 1 | 4 | n | | 4 | 1 | 5 | n | | 5 | 1 | 6 | n | | 6 | 2 | 1 | y | | 7 | 2 | 3 | n | | 8 | 2 | 4 | n | | 9 | 3 | 1 | y | | 10 | 3 | 4 | n | | 11 | 4 | 5 | n | | 12 | 4 | 6 | n | | 13 | 5 | 1 | y | | 14 | 5 | 6 | n | | 15 | 7 | 1 | y | | 16 | 7 | 1 | y | | 17 | 7 | 1 | n | +---------------+-----------+------------+----------+

message_image table info

+------------+----------+ | message_id | image_id | +------------+----------+ | 1 | 5 | | 3 | 2 | | 4 | 1 | | 4 | 3 | | 4 | 4 | +------------+----------+

image table info

+----------+------------+----------------+ | image_id | image_name | image_location | +----------+------------+----------------+ | 1 | PIC1 | loc1 | | 2 | PIC2 | loc2 | | 3 | PIC3 | loc3 | | 4 | PIC4 | loc4 | | 5 | PIC5 | loc5 | +----------+------------+----------------+

Task 13: Find All of the Messages that Michael Phelps Sent

Construct the SQL statement to find all of the messages that Michael Phelps sent. Note: You must use the WHERE clause to set the conditions for this query. Display the following columns:

  • Sender's first name
  • Sender's last name
  • Receiver's first name
  • Receiver's last name
  • Message ID
  • Message
  • Message Timestamp

Task 14: Find the Number of Messages Sent for Every Person

Construct the SQL statement to find the number of messages sent for every person. Note: You must use the WHERE clause to set the conditions for this query. Display the following columns: - Count of messages

  • Person ID
  • First Name
  • Last Name

Task 15: Find All of the Messages that Have At Least One Image Attached Using INNER JOINs

Construct the SQL statement to find all of the messages that have at least one image attached using INNER JOINs. Note: For messages with multiple images, display only the first image for the message.Display the following columns: - Message ID

  • Message
  • Message Timestamp
  • First Image Name
  • First Image Location

Database Schema Notes Type Notes intl8) .Primary key Requirad Required connection id Primary key Required Required intl8 archari25) Field Notes contect id Required varchari25 Required nt(8) .Primery key varchar 10) Not required Custom Column Your Choice Your Choice Required ender id 'Required nt(a) .Required varchar2ss) 'Required Notes Field Notes Required Primary key Required Required Primary key Required imase idnt(s) Primary key Required Required

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Database Management With Website Development Applications

Authors: Greg Riccardi

1st Edition

0201743876, 978-0201743876

More Books

Students also viewed these Databases questions

Question

Write formal and informal proposals.

Answered: 1 week ago

Question

Describe the components of a formal report.

Answered: 1 week ago

Question

Write formal and informal reports.

Answered: 1 week ago