Football League Mangement System

[tonysaad]

I need a quick brief how can I start,and what STL will I use,how can deal with different entities 'relationships'
like database primary key or what ?
The system has two main entities : Team & Player
Each team has basic Info (Name-Id-Address)
Each player has basic Info (Name-Id-Team-birthDate-salary)
The System Required Functions :

Enter/Display/Update/Delete Team Info
Search for team using (id-name)
Display team players

Enter/Display/Update/Delete Player Info
Search for players using (id-name-team)
Display player goals

Display teams ordered by their points.
Display top (10) players who score the greatest no of goals.
Display top (10) goalkeepers who have the fewest no of goals
Display top (10) players ordered by their ages.
Display top (10) players ordered by their salaries.
Display teams ordered by no of scored goals.
Display teams ordered by the average ages of its players.
Display teams ordered by the average salaries of its players.