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Determine the concept of Process
Process: A process transforms the data values. It is represented as ellipse containing a description of transformation. Each procedure has a fixed number of the input and output data arrows; each of them carries a value of a given type.
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
Derived horizontal fragmentation: Some applications may include a join of two or more relations. If the relations are stored at dissimilar locations, there may be a major overhead
how to prepare a data dictionary for online examination system for certified courses?
A student entity type has the following attributes,name..
What it creates while a primary key is combined with a foreign key? It creates Parent-Child relation ship between the tables that connect them while a primary key is combined w
Sequences Sequences: Automatically produce unique numbers Are sharable Are typically used to make a primary key value Replace application code Speed up t
data models are being replaced over years. Reasons and why does that happen?
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
define normalisation and functional dependency
Use the IRIS dataset that comes with Weka to compare the classification performance of the following algorithms. 1. NaiveBayesSimple 2. MultiLayerPerceptron J48 (
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