c.execute("SELECT FirstName || ' ' || LastName as FullName from Employee")It's not clear what you want - display concatenated names or insert a new column in a table, which you should not do given that you already have first name and last name as columns.
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs