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What is foreign key ?

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31st Mar 2019, 11:26 AM
Sai Niteesh
Sai Niteesh - avatar
2 Réponses
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//In the context of relational databases, a foreign key is a field (or collection of fields) in one table that uniquely identifies a row of another table or the same table.
31st Mar 2019, 7:26 PM
Sudarshan Rai
Sudarshan Rai - avatar
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https://youtu.be/fXoJFB5E2-k
3rd Apr 2019, 12:05 PM
Sai Niteesh
Sai Niteesh - avatar

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