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complete assignment on the above title.
Distributed Database Management System
what is lossless & dependency preserving decomposition ?
What is persistency? Persistency ensures which data is stored and that after the object is no longer available (program stops running) the data will be available to other users
For every n-ary relationship type R where n>2, we make a new table S to represent R. We contain as foreign key attributes in s the primary keys of the relations that show the parti
what is primary key
Ask question #Minim 100 words accepted#what is recovery management component in database management system and how it is useful
What is Foreign Key Foreign Key: Sometimes we may have to work with an attribute that does not have a primary key of its own. To recognize its rows, we have to use the primar
data models are being replaced over years. Reasons and why does that happen?
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
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