SQL

The database you will use for this assignment contains information related to Major League Baseball (MLB) about players, teams, and games. The relations are:

Players(playerID, playerName, team, position, birthYear)

playerID is a player identifier used in MLB, and all players throughout the history of baseball have a unique ID

playerName is players name

team is the name of the MLB team the player is currently playing on (or the last team the player played for if they are not currently playing)

position is the position of the player

birthYear is the year that player was born

Teams(teamID, teamName, home, leagueName)

teamID is a unique ID internal to MLB.

teamName is the name of the team

home is the home city of the team

leagueName is the league the team is in, i.e. either National or American, which stands for National League and American League, respectively

Games(gameID, homeTeamID, guestTeamID, date)

gameID is a unique ID used internally in MLB

homeTeamID is the ID of the hometeam

guestTeamID is the ID of the visiting team

date is the date of the game.

A sample instance of this database is given at the end of this homework handout. Since it is just one instance of the database designed to give you some intuition, you should not customize your answer to work only with this instance.

Write the following queries in SQL, using the schema provided above. (Note: Your queries must not be state-dependent", that is, they should work without modification even if another instance of the database is given.)

(a) Print the names of all players who were born in 1970 and played for the Braves.

(b) Print the names of teams that do not have a pitcher.

(c) Print names of all players who have played in the National League.

(d) Print all gameIDs with Phillies as the home team.

Players

playerID	playerName	team	position	birthYear
1	Javy Lopez	Braves	Catcher	1970
2	Cliff Lee	Phillies	Pitcher	1978
3	Derek Jeter	Yankees	Infielder	1974
4	Skip Schumaker	Cardinals	Infielder	1980
5	Dominic Brown	Phillies	Outfielder	1987

Teams

teamID	teamName	home	leagueName
1	Phillies	Philadelphia	National
2	Braves	Atlanta	National
3	Yankees	New York	American
4	Twins	Minnesota	American
5	Rangers	Texas	American
6	Cubs	Chicago	National

Games

gameID	homeTeamID	guestTeamID	date
1	3	6	04/21/2010
2	1	4	04/21/2010
3	2	5	04/30/2010
4	6	3	05/02/2010
5	4	5	05/02/2010
6	1	5	05/06/2010