Shared column schema: espn mbb coaches schema

Columns shared verbatim across: espn_mbb_coaches, espn_nba_coaches.

Details

col_name	types	description
coach_id	character
first_name	character	Player's first name.
last_name	character	Player's last name.
full_name	character	Player's full name.
experience	integer	Years of professional experience.
team_id	character	Unique team identifier.