Your coworker has decided to take an online course about the basics of databases so that he can improve his job performance. As you study with him, he says that he thinks attributes are essential in an ER diagram. Is this true or false? True False

Absolutely true! Attributes are indeed essential in an ER (Entity-Relationship) diagram. They provide valuable details about the entities, helping to define their properties. Think of attributes as the icing on the cake—they add flavor and depth to the entities, making the whole model more informative. Without attributes, an ER diagram would be like a skeleton without any flesh! When studying ER diagrams, it’s crucial to avoid common pitfalls. One of the most frequent mistakes is improperly defining attributes. Make sure they are relevant to the entity and not too vague; that’s how you avoid cluttering your design with unnecessary information. Clear, concise attributes will serve your database well in the long run!