In a database, which of the following is used to access a particular couple on a different table?

In a database, which of the following is used to access a particular couple on a different table? Correct Answer Foreign key

A foreign key is a column or group of columns in a relational database table that provides a link between data in two tables. It acts as a cross - reference between tables because it references the primary key of another table, thereby establishing a link between them.
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