单选题A SELECT statement can be used to perform these three functions: 1. Choose rows from a table. 2. Choose columns from a table 3. Bring together data that is stored in different tables by creating a link between them. Which set of keywords describes these capabilities? （）Adifference, projection, joinBselection, projection, joinCselection, intersection, joinDintersection, projection, joinEdifference, projection, product
单选题
A SELECT statement can be used to perform these three functions: 1. Choose rows from a table. 2. Choose columns from a table 3. Bring together data that is stored in different tables by creating a link between them. Which set of keywords describes these capabilities? （）
A
difference, projection, join
B
selection, projection, join
C
selection, intersection, join
D
intersection, projection, join
E
difference, projection, product
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