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Can a domain, assigned to a data element be changed?
Yes. We can do so by just overwriting the entry in the field domain.
What is difference between TRUNCATE and DELETE? - Truncate can't be rolled back whereas Delete can be. - Truncate keeps the lock on table whereas Delete keeps the lock on ea
What is schema
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What is Oracle Process? Explain any four processes started by Oracle. Oracle Process is as follows: SMON: The System Monitor carries out a crash recovery while a crashed in
what is Storage-Device Hierarchy question
Properties of a Transaction A transaction has four main properties. These are: Atomicity Consistency Isolation or Independence Durability or Permanen
What is Relational Algebra? Relational algebra is a Procedural query Language?
Distributed Control and Data sharing: The geographical distribution of an organization can be showed in the distribution of the data; if a number of different sites are linked to e
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
Define the concept of Object Diagram An object diagram shows a set of the objects and their relationships with each other at a point of time. In a static view, object diagram
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