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is an extra column or a set of columns in a relation which is used to keep a link to another ( reference ) relation.
is an extra column or a set of columns in a relation which is used to keep a link to another reference relation.
An object
A class
A primary key
A foreign key
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Machine Learning And Knowledge Discovery In Databases European Conference Ecml Pkdd 2015 Porto Portugal September 7 11 2015 Proceedings Part 1 Lnai 9284
Authors: Annalisa Appice ,Pedro Pereira Rodrigues ,Vitor Santos Costa ,Carlos Soares ,Joao Gama ,Alipio Jorge
1st Edition
3319235273, 978-3319235271
