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What is relational model feature?
A relational model feature is much more data independence than some other database models.
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how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
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Mention the various user privileges All privileges directly granted to the user or role. All privileges granted to roles that have been granted to the user or role.
How does the two phase protocol ensure serializability in database schedules? Ans: A transaction is termed to follow the two-phase locking protocol if all locking operations
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what is inverted and multilist structure
What is a recovery scheme? An integral part of a database system is a recovery scheme that can restore the database to the reliable state that existed before the failure.
Produce a set of relations (equivalent to the Finkelstein entity list) in third normal form (3NF) from the following un-normalised relation. You must use the Finkelstein methodolog
It defines that no primary key value can be null. This is as the primary key is used to recognize individual tuple in the relation. So we will not be able to recognize the records
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