Explanation:The values of the attribute should be present in the domain.Domain is a set of values permitted . 6. Database __________ , which is the logical design of the database, and the database _______,which is a snapshot of the data in the database at a given instant in time.
A. Instance, Schema
B. Relation, Schema
C. Relation, Domain
D. Schema, Instance
Answer:A
Explanation:The values of the attribute should be present in the domain.Domain is a set of values permitted . 6. Database __________ , which is the logical design of the database, and the database _______,which is a snapshot of the data in the database at a given instant in time.
A. Instance, Schema B. Relation, Schema C. Relation, Domain D. Schema, Instance
Explanation:Instance is a instance of time and schema is a representation. 7.Course(course_id,sec_id,semester)