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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
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
For each m:n relationship type R, we make a new table (say S) to represent R. We also contain the primary key attributes of both the participating entity types as a foreign key att
QUESTION (a)(i) Define the term database. (ii) How is it different from a database management system? (b) What is the difference between an entity and an attribute? (c
What is entity in DBMS? Entity: A DBMS entity is either a thing in the modelled world or a drawing element in an ERD.
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
What is an Index? An index is a small table having only two columns. The first column has a copy of the primary or candidate key of a table and the second column having a set o
A student entity type has the following attributes,name..
HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3
Explain the disadvantages of a file processing system? Ans: Disadvantages of File Processing Systems include: 1) Data Redundancy 2) Data Inconsistency 3) Difficult to acce
Explain the shadow paging recovery technique. Ans: Shadow paging is a method used to acquire atomic and durable transactions, and provides the capability to manipulate pages i
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