A relational database consists of a collection of
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Here the course_id,sec_id and semester are __________ and course is a _________
2) 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.
3) For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.
4) A domain is atomic if elements of the domain are considered to be ____________ units.
5) The tuples of the relations can be of ________ order.