It is a field that contains a unique identifier for each record in a primary table
select one:
a. foreign key
b. index
c. primary key
d. unique

C) Primary key

Explanation:

Primary key is defined as, the set of value which uniquely identifies the row of the table. The value of the primary key are used to referred the entire record as each record has different type of values for key. And each table contain only one primary key. And the primary key cannot contain the null values.

click the big logo on the top left of the screen.   hope this !

-ttl

research the organization

compare your skills and qualifications

prepare responses

plan what to wear

plan what to bring

pay attention to non- verbal communication

follow up