Create the following T-SQL query:

select [name]
from sys.all_columns

Please try the following questions. If you need a hint, then there is a hint document attached to these questions.

1. Add the letter A to the end of each name.

2. Add the letter Ⱥ to the end of each name. (You may want to copy and paste this letter, as it is an A with a stroke through it). If you are getting question marks, then give it another try.

3. Remove the first character from name.

4. Remove the last original character from name.