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

Created: 5 years ago | Updated: 1 month ago

Updated: 1 month ago

Primary key

Foreign key

Unique key

Protected key

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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.

5 years ago

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Md Azizur Rahman

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

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