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Explain the Static or conservative Two Phase Locking: Static (or conservative) Two Phase Locking: In this type of scheme, all the data items are locked earlier than any opera
explain the steps for reduction of er model into relational model?
With the linear commit protocol, sites are connected in a chain, and the subtransaction at the left-hand end of the chain initiates the protocol. Propose a crash recovery protocol
Describe Participation Constraints? Participation Constraints - The participation constraint exacts whether the existence of an entity depends on its being related to another
what is attribute is attribute inheritance in dbms?
diagrams and meaning
what problems are raised by the database? why is it so controversial? why is data quality an issue?
what is stracture of dabms
Explain the challenges before an E-business management.
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
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