What is a foreign key?

Started by Ryleigh, February 08, 2017, 12:35:41 AM

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Zain

February 08, 2017, 12:35:41 AM
Hello everyone, I have a small question, I would like to know, what is a foreign key? Please answer me as soon as possible, thank you in advance.

Ismail

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February 11, 2017, 01:30:08 PM
A foreign key is a column or group of columns in a relational database table that provides a link between data in two tables.
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