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Which of the following is true of foreign keys? A foreign key is not needed if the data type is different. Foreign keys are not
Which of the following is true of foreign keys?
A foreign key is not needed if the data type is different.
Foreign keys are not needed when we require referential integrity.
A foreign key can be linked to a NOT NULL column.
A foreign key may be linked to a unique column that establishes a to relationship.
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Microsoft Visual Basic 2017 For Windows Web And Database Applications
Authors: Corinne Hoisington
1st Edition
1337102113, 978-1337102117
