Sample Databases

Part 1

Come up with an original example of a one to many unary relationship. Create an example model of this relationship using the MySQL Workbench data modeler.

Part 2

Come up with an original example of a ternary relationship. Create an example model of this relationship using the MySQL Workbench data modeler.

Part 3

Using MySQL Workbench - Create a data model for on Adult Baseball league which supports all of the following data requirements:

Teams

• A team has a unique number associated with it
• Team Name
• Team City
• Each team has more than one player associated with it

Players

• Each Player has a unique number
• A player may play or have played for more than one team
• The number of years and batting average is tracked for each team the player played for.

Coaches

• In this league, all coaches are also players.
• A Team can have more than one coach.

Bats

• A team can have multiple bats
• Each bat is identified by a unique serial number.

For each of the three models above, you should export your model as a single page PDF and submit the resulting files.