Difficulty A
T04.001- All the information of orders previous to October 2010
T04.002- All the information of orders later than August 2010.
T04.003- All the information of orders between August and October 2010.
T04.004- All the information of orders requested 3rd March or 27th October 2010
T04.005- Which is the date of today and the time?
T04.006- Codes of articles requested in 2010, avoiding duplicates and ascending sorted.
T04.007- Codes of articles requested in March 2010, avoiding duplicates and ascending sorted.
T04.008- All data of UUSERs born in March of any year.