Section 2 Lesson 1: Conceptual and Physical Models 1. List five reasons for building a conceptual data model Section 2 Lesson 2: Entities, Instances, Attributes, and Identifiers 1 . Name two volatile attributes. 2. Name two non-volatile attributes. 3. Identifying Attributes for Entities. The three entities that play a role in a florist business: PRODUCT, CUSTOMER, and VENDOR are listed as the first three column headings of the table below. The fourth column contains a collection of attributes. Indicate if the attribute listed could be an attribute for the entities listed. (For example, could Price be an attribute for PRODUCT, CUSTOMER or VENDOR? PRODUCT CUSTOMER VENDOR Product ID Order ID Price First Name Phone Number Quantity Last Name Vendor ID Type Customer ID Color Address .

1. Section 2 Lesson 1: Conceptual and Physical Models
1. List five reasons for building a conceptual data model
Section 2 Lesson 2: Entities, Instances, Attributes, and Identifiers
1 . Name two volatile attributes.
2. Name two non-volatile attributes.
3. Identifying Attributes for Entities.
The three entities that play a role in a florist business: PRODUCT,
CUSTOMER, and VENDOR are listed as the first three column headings
of the table below. The fourth column contains a collection of
attributes. Indicate if the attribute listed could be an attribute for the
entities listed. (For example, could Price be an attribute for PRODUCT,
CUSTOMER or VENDOR?
PRODUCT
CUSTOMER
VENDOR
Product ID
Order ID
Price
First Name
Phone Number
Quantity
Last Name
Vendor ID
Type
Customer ID
Color
Address

2. PRODUCT CUSTOMER VENDOR
Product ID
Order ID
Price
First Name
Phone Number
Quantity
Last Name
Vendor ID
Type
Customer ID
Color
Address