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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).
What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
What is the meaning of Data independence? Data independence means a programs that are not dependent on the physical attributes of data and a programs that are not dependent on
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
What are composite attributes? Composite attributes can be separated in to sub parts.
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
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Describe Application programming interface? Application Programming Interface - Commercial SQL implementations take one of the two primary techniques for involving SQL in a p
What is Oracle databse structure? Oracle database structure: The relational model has three main aspects: Structures: Structures are well-defined objects which store th
i am not clear with the climetic condition of the north indian plain. can u plz explain it for me
The C_Artist application will be developed using the C language (C99 standards) and will be able to compile without warnings and link and run in the Swinburne computer laboratorie
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