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The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
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Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
What are the parts of SQL language? The SQL language has various parts: data - definitition language Data manipulation language View definition Transaction contr
Physical Database Design Issues The database design includes the process of logical design with the use of E-R diagram, normalisation, etc., followed by the physical design.
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
State the definition of association An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, asso
Critically evaluate the bulleted list of information-related items in this case study. How are each contradictory to the notion of being an information-literate knowledge worker?
Explain Strict Two-Phase locking A transaction T does not release any type of its exclusive (X) locks until that transaction commits or aborts. In this method no other transact
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