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What are the properties in a relation ?
In a relation Ordering of rows is immaterial and No two rows are identical.
Give two profit of Reuse of Code. Reusing the implementation . Place existing class directly inside a new class. The new class can be made up of any number and type of the oth
aggregation
What is storage manager? A storage manager is a program module that gives the interface among the low level data keeps in a database and the application programs and queries su
Question: (a) What are decision support systems, and what role do they play in the business environment? (b) Data mining is a knowledge discovery process of automated extr
Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities
In Oracle what is system global area and how is it organized? The SGA is a collection of shared memory fields which along with the Oracle processes constitute an Oracle instan
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
Explain Data Dictionary in short?
i want notes on this topic
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
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