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Normalize the given relation to 3NF, justifying each step
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explain cascading rollback
Control Files : The redo and control files logs support the rest of the architecture. Every database must have at least one control file, although you have more than one to guard
Spanned and unspanned organisation? Spanned and unspanned organization: If records are not permited to cross block boundaries then the organisation is called unspanned record
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
Explain group By clause in SQL? Group By clause in SQL: The GROUP BY clause can be used in a SELECT statement to collect data across multiple records and group the results thro
define attribute inheritance with example?
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
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