Which of the following creates relationships by linking the data in one file (e.g.,customer)to an item in a second file (e.g.,a sales order)?
A)Foreign key
B)Data dictionary
C)Relationships link bit
D)Index file

Question

Quizplus · Accepted Answer

A foreign key creates a relationship between two tables by linking the data in one table to an item in another table. It is used to ensure data integrity and consistency in a database. The other options (data dictionary, relationships link bit, and index file) do not specifically create relationships between tables in a database.

Which of the Following Creates Relationships by Linking the Data