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What are the key features of Oracle? Key features of Oracle are as follows: • Read Consistency • Concurrency • Locking Mechanisms • Quiesce Database • RAC • Portability

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explain exhaustively the problems associated with ER diagrams. include illustrations in your answer

Keys, it can be possible to create any table without primary key

it can be possible to create any table without primary key

Union - basic set operation, UNION If R1 and R2 are two union compatibl...

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Example of relational operations, Consider the relation PERSON. If you want...

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