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Determine the rule that a value of a foreign key should appear as a value of some particular table is called a
Ans: Referential constraint.
The rule that a value of a foreign key should appear as a value of some particular table is known as a referential constraint. (Referential integrity constraint is referred with foreign key).
Design an EER schema for the following application and translate the EER schema into relational schemas (and constraints). It is possible that some requirements cannot be captured
Show, with the help of an example, that relatively high-level transitions result when system or program is stimulated by the outside events. In diagram below, we can observe i
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What will be create when a primary key if combined with a foreign key? A primary key if combined with a foreign key it creates Parent-Child relationship between the tables that
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how the string works as keyword?
What is primary Key Explain? Primary Key - Primary key is one of the candidate keys. It should be selected such in which its attribute values are never, or very rarely, chang
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