"key" in inglés with examples - Collocation dictionary inglés
- Every type of relationship will lead to the creation of a foreign key.
- For example in the Order relation the attribute ' is a foreign key.
- This means that any one, none, or all, of the multiple attributes within the compound key can be foreign keys.
- Indeed, a foreign key may itself be a compound key.
- Every foreign key must be joined to see the related data item.
- Each foreign key is enforced independently by the database system.
- The foreign key must have at least one column and can have a maximum of eight columns.
- The foreign key in the Invoices table points to that primary key.
- Some of the foreign keys were set to their own private programs, and could not be changed.
- Tables can relate by using a foreign key that points to the primary key.
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