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Determine the method of Choosing Algorithms
In general, most of operations are easy and have a satisfactory algorithm since description of what is to be done also shows how it is to be done. Most of operations in object link network simply traverse to get back or change attributes or links. Non-trivial algorithms are normally required for two reasons:
i) If no procedural specification is given for the functions
ii) If a simple but useless algorithm serves as a definition of function.
Critically evaluate the bulleted list of information-related items in this case study. How are each contradictory to the notion of being an information-literate knowledge worker?
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
What are data models? Explain it detail? Entity relationship model Rectangles Ellipse Diamonds Lines Relational model Relational model use a collection
why data in an RDMS need to be normalised
Use again the GE Flight Quest Data and build on the work done for homework 1 and 2. The goal is to create a classification model which classifies flights into "on-time" (you can de
What is banker's algorithm? Banker's algorithm is a deadlock avoidance algorithm that is applicable to a resource-allocation system with multiple instances of each resource ty
Given the following set of functional dependencies {cf?bg, g?d, cdg?f, b?de, d?c} defined on R(b,c,d,e,f,g) a.Find a non-redundant cover. b.Find a canonical cover.
What is foreign key? Foreign Key - Let there are two relations in tables R and S. Any candidate key of the relation R that is referred in the relation S is known as the forei
Wait-die" scheme : The idea is based on non-preventive method. It is based on a simple rule: If Ti requests a database resource that is held by T
#question. acompani datdbase needs to store information about employees (identified by a social security number,with salary and phone as attributes) and departments (identified by
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