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What is normalization?
It is a method of analysing the given relation schemas based on their Functional Dependencies (FDs) and primary key to attain the properties
(1).Minimizing redundancy,
(2). Minimizing insertion, deletion and update anomalies.
what is the importance of back up files
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
What is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.
An Enterprising group of Entrepreneurs introduced a new business named StoreItRite which is based on data storage and retrieval services. It provides the services and the company c
Write short notes on domain relational calculus The domain relational calculus uses domain variables that take on values from an attribute domain rather than values for whole
Database systems have many opposite efforts ?
Failure Controlling Methods: Failures can be handled using different recovery methods that are talk about later in the unit. But the first question is doing we really require recov
why are older data models are being replaced by new data models
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
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