Here the course_id,sec_id and semester are __________ and course is a _________
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1) 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.
2) A relational database consists of a collection of
3) The term _______ is used to refer to a row.
4) A domain is atomic if elements of the domain are considered to be ____________ units.
5) Department (dept name, building, budget) and Employee (employee_id , name, dept name,salary)
Here the dept_name attribute appears in both the relations .Here using common attributes in relation schema is one way of relating ___________ relations.