Given the basic ER and relational model which of the following is incorrect?

Given the basic ER and relational model which of the following is incorrect?Marks : 1Negative Marks : 0Answer hereAn entity can have more than one attributeAn attribute of an entity can be compositeIn row of a relational table, an attribute have more than one value.In row of a relational table, an attribute can have exactly one vlaue or a NULL value.

9. Explain the difference between an entity and an attribute in an ER diagram.

The ER Model includes additional concepts like ________.

In ER Diagram, a relationship between two entities of similar entity type is called a

Consider the entities A1 and A2 in an ER diagram have simple single-valued attributes. B1 and B2 are the relations between A1 and A2. B1 is a one-to-many and B2 is a many-to-many relationship. There are no attributes present in B1 and B2. How many tables are required to represent this given model