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Decompose the table with the following description and functional dependencies into a set of equivalent tables normalized to 3NF or BCNF.
This database stores records from a (very organized) Crazy Cat Person. It contains vital statistics and visual identifying information about the cats. It also contains information about the cats' vet(s) and any supplements or medications shehas prescribed. It only tracks current medications and supplements.
Data:
catName: the name of a cat catBirth: the cat's date of birth, or an estimate thereof catAdoption: the cat's date of adoption by the Crazy Cat Person color: the main color of the cat's fur furPattern: the pattern of the cat's fur (i.e. "striped") furType: the type of the cat's fur (long or short) vetName: the name of the vet who cares for the cat and prescribes supplements or medications office: the name of the vet's office address: the address of the vet's office phone: the vet's phone number supplement: the name of a prescribed supplement or medication dose: the prescribed unit dosage of a supplement/medication sig:the dosing recommendations, i.e. how many of the unit doses, how often, and by what route is the supplement/medication to be given
Functional dependencies:
catName → catBirth, catAdoption, color, furPattern, furType vetName → office, address, phone supplement, catName → dose, sig, vetName
Decompose the table with the following description and functional dependencies into a set of equivalent tables normalized to 3NF or BCNF. A long-standing international treaty am
What is called a query evaluation plan? A sequence of primitive operations that can be used to assess a query is a query evaluation plan or a query implementation plan.
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?
Problem: (a) Data mining is one of the best ways to analyse data and using software techniques, hidden and unexpected patterns and relationships in sets of data can be extrac
normal forms
Compare the Nested-loop join and block-nested loop join Ans: Nested loop join - It is costly as worst case cost, no. of block accesses needed is n r * b s + b r where b
Which is the properties of entities? Attributes is the properties of entities.
explain participation constraints with examples
Differentiate between various levels of data abstraction? Data Abstraction - Abstraction is the procedure to hide the irrelevant things from the users and represent the rele
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