Task In this assessment you are required to complete the online quiz in Interact 2 Test Centre. The following guidelines should follow for this assessment : Total number of questions will be 20...

In this assessment you are required to complete the online quiz in Interact 2 Test Centre. The following guidelines should follow for this assessment :

1. Total number of questions will be 20


2. Student is allowed to do maximum three attempts


3. Completion time for each attempt is 30 mins.


4. The highest score will be counted.


5. The topics of the online quizzes are :


6. The topics of the online quizzes are:

• Normalisation


• Introduction to SQL and DDL

Rationale

This assessment aligns with the following subject outcomes:

be able to critically analyse a database design and apply normalisation theory and techniques;

This assessment consists of 20 multiple choice questions. Each correct answer will score0.25 marks. Marks will not be deducted for incorrect answers.

Marks will be given based on the correctness of the answers. The Test Centre will be marking automatically and you will receive marks according to the following criteria:

• HD - At least 85% answers were correct
• DI - At least 75% answers were correct
• CR - At least 65% answers were correct
• PS - At least 50% answers were correct

Assessment item 5Query and update databases using SQLValue:15%Due date:14-May-2018Return date:05-Jun-2018Submission method optionsAlternative submission method
Task

NOTES

• This assignmentrequires you to use SQLite to complete the tasks listed below.Student can also use SQL Workbench or another software (if they are familiar) to complete the tasks.


• For guidance on how to install SQLite, watch this short YouTube video:https://www.youtube.com/watch?v=9ynCDVg54H0
  


• For guidance on how to create tables using SQLite, watch this short YouTube video:https://www.youtube.com/watch?v=kij5lPw0F-o
  


• Typing the SQL statements or the results is NOT acceptable.

Instructions for using SQLite:

• From Resources under Main Menu in Interact 2 go to Assignment 5 Folder


• Copy sqlite3.exe and cmd.exe files from the Assignment 5 Folder into a folder in your machine\


• Copy a5.txt from the Assignment 5 Folder into the folder in your machine where your SQLite file is located


• From the SQLite Command Prompt execute the a5.txt script. To do this, at the SQLite Command Line type .read a5.txt [to create the tables you will use to answer this assignment’s questions]


• At the SQLite Command Line type .headers on


• At the SQLite Command Line type .mode column

Assignment 5 tasks:each query is worth 5 marks

Write and run SQL statements to complete the following tasks


Part A - DML

1.Show the details of the products where the product code starts with '22'.
2.Display the vendor details from areacode 615.
3.Find the balance for customer 'George Williams'.
4.Show the number of products from each vendor and display the vendor code if there are more than 2 products from the same vendor.
5.Display the vendor code, name, phone number and the number of products from each vendor.
6.Find the customers whose balance is zero.
7.List the name of the customers for whom we have invoices.
8.Show the name and cus_code of the customers for whom we DO NOT have invoices.
9.Find out how many times a customer generated an invoice.

Part B - DDL

1.Add a new attribute email_address varchar(30) to the customer table.
2.Add email_address = '[email protected]' for customer '10016'.
3.Delete the record for employee Edward Johnson from EMP table.

You are required to submit:

1. The SQL statements for each query, which should be copied from your SQLite3 Command Line and pasted into your submission file.Ifyoutype .echoon at the SQLite3 Command Line, SQLite will output yourSQL statement with the results of the query making it easy to copy and paste both.


2. The screenshots of the results of the SQL statements which are to be copied from your SQLite3 Command Line and pasted into your submission file immediately after you execute the SQL query.If you used an output file please submit only the output file.

Rationale

This assessment aligns with the following subject outcomes:

• be able to critically analyse and modify an existing database design to meet new business requirements;

The marking criteria for this assignment is: