How many times a customer generated an invoice

Assignment Help PL-SQL Programming

Reference no: EM131845887

Assignment: Query and update databases using SQL

Task

Write and run SQL statements to complete the following tasks

Part A - DML

1. Locate the record in the vendor table that does not have a value for the attribute V_STATE

2. Find the customers whose balance is greater than $300 but less than $400.

3. Show the names of the customers for whom we have invoices.

4. Show the CUS_CODE of the customers for whom we DO NOT have invoices.

5. Show the names of the customers for whom we DO NOT have invoices.

6. Find out how many times a customer generated an invoice - make sure the counted column heading reads "Invoices_generated".

7. List the names of the customers and how many times a customer generated an invoice - make sure the counted column heading reads "N_Of_Invoices" .

Part B - DDL

1. Add a new row/record to the `customer` table to include your actual student_ID in the CUS_CODE, your last_name as the CUS_LNAME` and your firstname as CUS_FNAME. Add any other details of your choice in all the other fields.

2. Add a new attribute (field) credit_history VARCHAR(6) to the customer table.

3. Update credit_history for customer '10011' to 'Bad'.

4. Delete the employee Leighla Genkazi from the EMP table.

5. Add a new attribute called ‘email_address' to ‘emp' table with data type and length ‘VARCHAR(20).

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. If you type .echo on at the SQLite3 Command Line, SQLite will output your SQL 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.

Reference no: EM131845887

Questions Cloud

Risk for potential intellectual property infractions : Licensing is a common entry mode but carries a high amount of risk for potential intellectual property infractions.

Potential licensee to make and market : Please identify and describe two factors that could cause you to reject an offer from a potential licensee to make and market your firm's products in a foreign

Who should amazon target with the kindle fire : Who should Amazon target with the Kindle Fire - which customer segments are most promising and how would they use the product?

What ways do international regulator regimes : In what ways do international regulator regimes affect international trade? How would the economic environment be different without them?

How many times a customer generated an invoice : Find out how many times a customer generated an invoice - make sure the counted column heading reads "Invoices_generated".

Does arrow have an ethical obligation to pay a higher price : Does Arrow have an ethical obligation to pay a higher price, based upon such an unanticipated change in circumstances?

Top one or two obstacles to development : In your white paper, provide a short overview of the state and identify what you think are the top one or two obstacles to development.

What kinds of things affect how well you do on the test : what kinds of things affect how well you do on the test? Which ones tend to harm (lower) your score vs. which ones help (increase) your score?

How do the significant historical legacies of colonialism : 1. How do the significant historical legacies of colonialism and independence continue to influence African culture today?

User Account

All Pages