Which database object does not physically exist, Database Management System

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Which database object does not physically exist?

A view database object does not physically exist.

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Example - ALTER TABLE emp MODIFY (empno NUMBER (7));

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Suppose that in an organisation, an employee may do different roles in dissimilar projects. Say, RAM is doing coding in one project and doing designing in another. Suppose that the

Lock, intent locking

intent locking

Urgent need tutoring in conjunction with help on assignment!, Hi is anyone ...

Hi is anyone well versed in accounting information systems available now to help me work through an important assignment due tomorrow at noon?

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