Guadeloupe, a French overseas region, is an island group in the southern Caribbean Sea. Resembling a butterfly, its 2 largest islands are separated by the Salée River. Hilly Grande-Terre Island has long beaches and sugarcane fields. On Basse-Terre Island, Parc National de la Guadeloupe encompasses Carbet Falls and the volcano La Grande Soufrière. Smaller islands include Marie-Galante and La Désirade.

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Q 1: A relational database consists of a collection of

ATables
BFields
CRecords
DKeys

Q 2: 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.

ASchema diagram
BRelational algebra
CDatabase diagram
DSchema flow

Q 3: The _______ operator takes the results of two queries and returns only rows that appear in both result sets.

AUnion
BIntersect
CDifference
DProjection