Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
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
What is 2NF? A relation schema R is in 2NF if it is in 1NF and every non-prime attribute A in R is fully functionally dependent on primary key.
State the Steps of Object Design Object design is a very iterative process in which various classes, relationships among objects are added when you move from one level to
a need some real life examples of database management systems three level of ANSI SPARC architecture life teacher and student ,company and employee or for NGO etc.
The following relational database schema represents part of a simplified database used by a library: tblBook (BookID, Title, PublisherID, Category,Price) tblPublisher (Publishe
Give the forms of triggers? The triggering event can be insert or delete. For updated the trigger can state columns. The referencing old row as clause The referencing
What is Management System? A management system is a set of rules and process which help us to create organize and manipulate the database. It also helps us to add, change delet
Define the Wait for graph Ans: The wait-for-graph is a directed graph and consist of nodes and directed arcs; the nodes of the graph are active transactions. An arc of the grap
How does a query tree represent a relational algebra expression? Discuss any three rules for query optimisation, giving example as to when should each rule be applied. Ans
Which is a legal expression in SQL? SELECT NAME FROM EMPLOYEE is a legal expression in SQL.
Differentiate between join and outer join? Outer joins return all rows from at least one of the tables or views mentioned within the FROM clause, as long as those rows get toge
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd