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Database Operations MCQ Questions and Answers

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In this section we provide lots of objective question of Database Operations.

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1) A relational database consists of a collection of

2) A ________ in a table represents a relationship among a set of values.

3) The term _______ is used to refer to a row.

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

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

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.

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

8) 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.

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

10) The tuples of the relations can be of ________ order.