HIT, Database Management System

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Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities

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How is the database organised in Oracle? Database organized within Oracle in terms of table and table holds attributes and values. A database consists of one or more logical

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Increased parallelism : Since the replicated date has several copies a query can be distributed or can be answered from the smallest loaded site. Also, with more replicas you have

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What is a SELECT operation? The select operation selects tuples that please a given predicate. We use the lowercase letter σ to denote selection.

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Define the basic operations of the relational algebra?     Ans: Basic operators of relational algebra are: 1. Union (∪) - Selects tuples which are in either P or Q or in bot

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What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.

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Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.

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What are composite objects? Objects that have other objects are known as complex objects or composite objects.

Physical records, Physical Records These are the records that are store...

Physical Records These are the records that are stored in the secondary storage devices. For the database relation, physical records are the group of fields kept in adjacent me

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sir, could anybody help me in getting complete information about the mentioned topic

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