The relationship between a banker and a customer is called a contractual relationship.
As this is one of the primary function of marketing that's why it requires more cost.
We designate one of the candidate key of a relation to be a primary key because that primary key is use for any foreign key references.
Primary Market Research: In this research we can communicate with directly with customer and gathering information from the potential customer.
A relation is in second normal form (2NF) if any of the following conditions apply: The primary key consists of only one attribute No non-primary key attribute exists in the relation Every non-primary key attribute is functionally dependent on the full set of primary key attributes
A relation may be in 2NF if 1. it is in 1NF & 2. Every non prime attribute functional dependent on primary attribute
His primary responsibility is to persuade the customer and sell his product. But at any cost, that should not be a moment of irritating the customer
False
Free shipping Excellent customer service
type of customer
A primary key is designated from among the candidate keys of a relation to uniquely identify each record in that relation and to ensure data integrity. It serves as a reference point for establishing relationships with other tables, facilitating efficient data retrieval and manipulation. Additionally, the primary key typically has constraints that prevent null values and duplicates, reinforcing the uniqueness of each entry in the database.
Price, product quality, service, and supplier relationships.
monitoring and testing customer network connections