Arithmetic expressions
You just heard that there is a 50 cent transaction fee for people buying music on eSymphony. Let's create a new column that holds the final amount a customer has paid. The information you need is in the Total column of the Invoice table.
Remember that in the SELECT statement you can use the following arithmetic operators: +, -, *, and /.
This exercise is part of the course
Introduction to Oracle SQL
Exercise instructions
- Add
0.50to the total amount listed on the invoice.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
-- Add 50 cents to the total amount
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