database relational model, Database Management System

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Differentiate between natural join and outer join, Differentiate between na...

Differentiate between natural join and outer join? Natural join is a binary operator which is written as (R * S) where as R and S are relations. The output of the natural join

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Describe disk manager and their work? Disk Manager: Responsible for fetching data regulated through file Manager from disk storage within Main memory and deciding what data to

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What is persistency? Persistency ensures which data is stored and that after the object is no longer available (program stops running) the data will be available to other users

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