Is customer name a primary key?

Question

Customer_ID alone cannot be a primary key as a single customer can place more than one order thus more than one rows of same Customer_ID value. As we see in the following example that customer id 1011 has placed two orders with product if 9023 and 9111.

Is customer ID a primary key?

Often, a unique identification number, such as an ID number or a serial number or code, serves as a primary key in a table. For example, you might have a Customers table where each customer has a unique customer ID number. The customer ID field is the primary key.

Is name a primary key?

The key should be system-assigned, to guarantee that it can never change. Other fields (like name) can have unique indexes, but cannot be a primary key -- by definition.

What is an example of a primary key?

A primary key is a column -- or a group of columns -- in a table that uniquely identifies the rows of data in that table. For example, in the table below, CustomerNo, which displays the ID number assigned to different customers, is the primary key.

What are the 5 types of primary key?

Primary Key.Candidate Key.Alternate Key.Super Key.Composite Key.Foreign Key.Unique Key.

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