A Foreign Key is used to: a) Uniquely identify each row in a table
b) Link two tables together
c) Store large data
d) Sort records in ascending order
Question & Answer
A Foreign Key is used to:
1 Answer
Verified archiveThe correct answer is: b) Link two tables together.
A foreign key is a column or a group of columns in a database table that creates a link between the data in two tables. It establishes a relationship between a primary key in one table and the foreign key in another, ensuring referential integrity and enabling complex queries that combine data from both tables. If you have more questions or need further clarification, feel free to ask!