Asked by Keshawnn Greene on Sep 26, 2024
Verified
In the accompanying figure,the key symbol that appears in the row selector for the Book Rep Number field indicates that Book Rep Number is the ____ for the table.
A) principal key
B) foreign key
C) main key
D) primary key
Primary Key
A primary key is a unique identifier for each record in a database table, used to ensure that each entry is distinct and retrievable.
Principal Key
Another term for primary key, an attribute or set of attributes that uniquely identifies each record in a database table.
Foreign Key
An attribute in a database table that provides a link between data in two tables, typically to enforce referential integrity.
- Understand the process of applying primary keys and their importance in managing databases.
Verified Answer
MS
Mohit Singh1 day ago
Final Answer :
D
Explanation :
The key symbol in the row selector for a field typically indicates that the field is the primary key for the table, which is a unique identifier for each record in the table.
Learning Objectives
- Understand the process of applying primary keys and their importance in managing databases.