Short note on the term domain constraints
Write down a short note on the term domain constraints?
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Domain constraints comprise entity integrity and referential integrity. The domain is a setup of values which may be assigned to an attribute. The entity integrity rule signifies that no part of a primary key cannot be null. Referential integrity signifies that each and every foreign key value should match a primary key value or be null.
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Explain the slowly changing dimensions?
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Explain the term Cognos Connection?
Explain for what the Supervisor module is used?
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