What does a foreign key mean in terms of database integrity? What can you say to justify this requirement?
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- What exactly is a foreign key in terms of database integrity? What can you say to support this stipulation?What makes a foreign key so important to a database's integrity? What rationale do you have for this?What are the effects of an attack on a database's referential integrity? What kinds of mistakes could happen?
- A foreign key must not be null under what circumstances?]In terms of database integrity, what does a foreign key mean? Is there anything you can say to explain why this is required?What is the function of a foreign key in the context of data integrity maintenance? Please offer an example of when this might be beneficial.
- What does a foreign key mean in terms of database integrity? What can you say to justify this requirement?What does a foreign key mean in terms of database integrity? What can you say to justify why this is necessary?What role does a foreign key have in a database's integrity? What proof do you have to support your claim?