1. The ______ is the one in which the primary key of one relation is used as a normal attribute in another relation.

2.. A _________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.

3. Which of the following is not outer join?
• Left outer join
• Right outer join

• Full outer join

4. The assignment operator is denoted by

5. A ________ is a pictorial depiction of the schema of a database that shows the relations in the database, their attributes, and primary keys and foreign keys.

6.. The _________ provides a set of operations that take one or more relations as input and return a relation as an output.

7. In domain relaional calculus "there exist" can be expressed as

8.. A set of possible data values is called

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.