Question
If I had a table representing baseball players, the player is uniquely identified by PlayerID, the primary key. But in the Batting, Fielding and Salaries
If I had a table representing baseball players, the player is uniquely identified by PlayerID, the primary key. But in the Batting, Fielding and Salaries tables, the PlayerID is not the primary key. why is this.
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Advances In Knowledge Discovery In Databases
Authors: Animesh Adhikari, Jhimli Adhikari
1st Edition
3319132121, 9783319132129
