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өзара қатынас

In relational databases, a link between two entities that’s based on attributes of the entities. For example, the Department and Employee entities can have a relationship based on the deptID attribute as a foreign key in Employee, and as the primary key in Department. This relationship would make it possible to find the employees for a given department.

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Settore/Dominio: Frutta e verdura Categoria: Frutta

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The world's most popular fruit. The most common U.S. variety is the yellow Cavendish. They are picked green and develop better flavor when ripened off ...