SQL Developer help

Hey guys :)

I need some simple help, I hope it is any way. I am just learning how to write scripts and I am having a problem. I need to:

List the email addresses, first names, and last names for all clients who have email addresses ending in “edu”. Put the list in order of email address.

This is what I have in SQL Developer:

SELECT Email,FirstName,LastName
FROM CLIENT
WHERE Email LIKE '%edu'
ORDER BY Email;

The problem is when I run the script, I get nothing but the column names, no data returns. The data is there, I checked the tables.

Everything has run fine, I just can't get the data to come back and can't figure out why!!!!

This is my first time here, I hope I posted in the correct section.

Thanks for your help!!