Suppose that a data warehouse for a video game shop consists of the three dimensions: time, player, and game, and the two measures number of games played and price paid per game
a) Draw a schema diagram for the above data warehouse using the star schema.
b) Starting with the base cuboid [month, player, game], what specific OLAP operations should be performed in order to
i. Find the total no of players who played World of Warcraft in 2010.
ii. Find the total no of games played by all the players every year.
iii. Find the monthly price paid by each player.