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What do you mean by foreign key?

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Question added by Anushiya Pushparaja
Date Posted: 2013/11/20
Ahmed Hesham
by Ahmed Hesham , IT Support , Dino Activations

foreign key is a field (or collection of fields) in one table that uniquely identifies a row of another table.

In other words, a foreign key is a column or a combination of columns that is used to establish and enforce a link between two tables.

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