Asked by Karim velasquez on Jun 30, 2024
Verified
The ________ key is an identifier field that uniquely identifies a record.
A) alien
B) foreign
C) primary
D) secondary
Primary Key
A field (or attribute) of a record that uniquely identifies that record so that it can be retrieved, updated, and sorted.
Identifier Field
In databases, a specific column or attribute used to uniquely determine a record or row in a table, serving as a primary key or unique identifier.
Foreign Key
A column or set of columns in a relational database table that provides a link between data in two tables, used to maintain the integrity of the data by ensuring that relationships between tables remain consistent.
- Recognize the key components and structures of database systems including primary and foreign keys.
Verified Answer
GL
Gurneet LohchamJul 02, 2024
Final Answer :
C
Explanation :
The primary key is an identifier field in a database table that uniquely identifies each record in the table. It ensures that no two records have the same value in this field, thus maintaining the integrity and uniqueness of each record.
Learning Objectives
- Recognize the key components and structures of database systems including primary and foreign keys.