Given a PLAYERS table with following columns and constraints:

-------------------------
| Name    | Constraint  |
|-----------------------|
| PLAYER  | Primary Key |
| TEAM    | Foreign key |
| AGE     |             |
-------------------------

It contains football players from different teams.
Is it necessary to use DISTINCT keyword in the following query to get a list of unique values of TEAM:

SELECT DISTINCT TEAM FROM PLAYERS

SELECT TEAM FROM PLAYERS