A domain is atomic if elements of the domain are considered to be ____________ u

A domain is atomic if elements of the domain are considered to be ____________ units.

2) The term attribute refers to a ___________ of a table.

3) 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.

4) Course(course_id,sec_id,semester)
Here the course_id,sec_id and semester are __________ and course is a _________

5) For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.