Final answer:
The items such as part number, description, quantity on hand, and reorder point in a database are known as attributes, which are essential properties of data entities.Option 2 is the correct answer.
Step-by-step explanation:
In a relational database system, items such as part number, description, quantity on hand, and reorder point are known as attributes. An attribute is a property or characteristic of an entity, which in this case, could be the parts in inventory. Each attribute depicts one aspect of the data model, and together, all the attributes compose a single record or tuple in a table, also known as a relation. When working with databases, it's crucial to understand and properly communicate these concepts, including the significance of expressing numbers and quantities accurately, so that data is genuinely representative of what it signifies.
In a relational database system, attributes such as part number, description, quantity on hand, and reorder point represent distinctive properties or characteristics of an entity, such as inventory parts. Each attribute delineates a specific facet within the data model, collectively forming a record or tuple in a table, also termed a relation. The accurate expression of numbers and quantities is essential for maintaining data integrity, ensuring that the stored information authentically reflects the real-world entities it represents. Clear comprehension and effective communication of these database concepts are paramount for proficient data management and accurate representation of information within a relational database system.