A ______ is a pictorial depiction of the schema of a database that shows the…
2020
A ______ is a pictorial depiction of the schema of a database that shows the relations in the database, the attributes, and primary keys and foreign keys.
- A.
relational query languages
- B.
relational algebra
- C.
flow diagram
- D.
schema diagram
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Correct answer: D
A schema diagram is a pictorial or graphical representation of a database structure. It visually maps out the entire organization of the database by displaying the relation names (tables), their attributes (columns), primary keys, and the foreign key relationships that link different tables together.