DAD 220 Database Documentation Template
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Southern New Hampshire University *
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May 27, 2024
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DAD 220 Database Documentation Template
Complete these steps as you work through the directions for Project One. Replace the bracketed text with your screenshots and brief explanations of the work they capture. Each screenshot and its explanation should be sized to approximately one quarter of the page, with the description written below the screenshot. Follow these rules for each of the prompts and questions below. Review the example document located in the Project One Supporting Materials for assistance.
Step One: Create a Database
1.
Navigate to your online integrated development environment (IDE). List and record the SQL commands that you used to complete this step here: I opened the Codio environment from the Learning Modules on Brightspace, entered mysql and listed
the databases already contained.
2.
Create a database schema called QuantigrationUpdates. List out the database name. Provide the
SQL commands you ran against MySQL to successfully complete this in your answer:
Created the QuantigrationUpdates database and listed all databases to now include the new database.
3.
Using the entity relationship diagram (ERD) as a reference, create the following tables with the appropriate attributes and keys:
a.
A table named Customers in the QuantigrationUpdates database, as defined on the project ERD. Provide the SQL commands you ran against MySQL to complete this successfully in your answer:
Created a table named Customer to contain the CustomerID, First and Last name, Street, City, State,
Phone and Zip Code. Designated CustomerID as the Primary Key.
b.
A table named Orders in the QuantigrationUpdates database, as defined on the project ERD. Provide the SQL commands you ran against MySQL to complete this successfully in your answer:
Created the Orders table and assigned OrderID as the Primary Key and CustomerID as the Foreign Key
referencing CustomerID from the Customer table.
c.
A table named RMA
in the QuantigrationUpdates database, as defined on the project ERD. Provide the SQL commands you ran against MySQL to complete this successfully in your answer:
Created a table named RMA and assigned the variable RMAID as the Primary Key and OrderID as the
Foreign Key referencing OrderID from the Orders table created earlier.
Step Two: Load and Query the Data
1.
Import the data from each file into tables.
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Use the QuantigrationUpdates database, the three tables you created, and the three CSV files preloaded into Codio.
Use the import utility of your database program to load the data from each file into the table of the same name. You will perform this step three times, once for each table. Loaded data from customers.csv, orders.csv and rma.csv into their corresponding tables.
2.
Write basic queries against imported tables to organize and analyze targeted data. For each query, replace the bracketed text with a screenshot of the query and its output. You should also include a 1- to 3-sentence description of the output.
Write an SQL query that returns the count of orders for customers located only in the city of Framingham, Massachusetts.
i.
How many records were returned?
Performed a select count and join to determine the number of orders coming from Farmingham, MA.
There were 505 orders counted.
Write an SQL query to select all
of the Customers located in the state of Massachusetts.
i.
Use a WHERE clause to limit the number of records in the Customers table to only those who are located in Massachusetts.
ii.
Record an answer to the following question: How many records were returned? Ran the select count query to find that there were 982 customers in Massachusetts.
Write a SQL query to insert four new records into the Orders and Customers tables using
the following data:
Customers Table
CustomerID
FirstName
LastName
StreetAddress
City
State
ZipCode
Telephone
100004
Luke
Skywalker
15 Maiden Lane
New York
NY
10222
212-555-1234
100005
Winston
Smith
123 Sycamore Street
Greensbor
o
NC
27401
919-555-6623
100006
MaryAnne
Jenkins
1 Coconut Way
Jupiter
FL
33458
321-555-8907
100007
Janet
Williams
55 Redondo Beach Blvd
Torrence
CA
90501
310-555-5678
Inserted 4 new Customers into the Customer table and displayed using select * to verify.
Orders Table
OrderID
CustomerID
SKU
Description
1204305
100004
ADV-24-10C
Advanced Switch 10GigE Copper 24 port
1204306
100005
ADV-48-10F
Advanced Switch 10 GigE Copper/Fiber 44 port copper 4 port fiber
1204307
100006
ENT-24-10F
Enterprise Switch 10GigE SFP+ 24 Port
1204308
100007
ENT-48-10F
Enterprise Switch 10GigE SFP+ 48 port
Inserted 4 new records into the Orders table and verified by displaying them.
In the Customers table, perform a query to count all records where the city is Woonsocket, Rhode Island.
i.
How many records are in the Customers table where the field “city” equals “Woonsocket”?
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Counted the number of customers from Woonsocket, finding that there are 7.
In the RMA database, update a customer’s records.
i.
Write an SQL statement to select the current fields of status
and step
for the record in the RMA
table with an orderid
value of “5175.”
1.
What are the current status and step?
The status is pending and in the awaiting customer documentation step.
ii.
Write an SQL statement to update the status
and step
for the OrderID
, 5175 to status
= “Complete” and step
= “Credit Customer Account.”
1.
What are the updated status
and step
values for this record?
Updated the RMA table to show the status as complete and the step as credit customer account and
verified changes.
Delete RMA records.
i.
Write an SQL statement to delete all records with a reason of “Rejected.”
1.
How many records were deleted?
595 records were deleted. Showing that the rejected RMAs were deleted.
3.
Update your existing tables
from “Customer” to “Collaborator” using SQL based on this change in requirements. Provide the SQL commands you ran against MySQL to complete this successfully in your answer:
a.
Rename all instances of “Customer” to “Collaborator.”
Used the alter table command to change all instances of CustomerID to CollaboratorID and verified
change.
4.
Create an output file of the required query results. Write an SQL statement to list the contents of the Orders
table and send the output to a file that has a .csv extension. Loaded the data from the Orders table into a .csv file. The new file appears in the Codio FileTree on the
left hand side of the screenshot.
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