A ________ is a pictorial depiction of the schema of a database that shows the relations in the database, their attributes, and primary keys and foreign keys.
A. Schema diagram
B. Relational algebra
C. Database diagram
D. Schema flow
Answer:A
A ________ is a pictorial depiction of the schema of a database that shows the relations in the database, their attributes, and primary keys and foreign keys.
A. Schema diagram B. Relational algebra C. Database diagram D. Schema flow