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!
For problems 1-4, give all candidate keys for the tables with FDs specified. Composite candidate keys must be put in parentheses, and candidate keys must be separated with commas or otherwise clearly specified. For example, "A, B, C" means that there are three candidate keys, but "(ABC)" means that there is one composite candidate key and "(ABC), E" means that there are two candidate keys, the composite of three colums (A B C) plus the single column E. Please be very specific for full credit.
1. What is (are) the candidate key(s) for a table with columns A B C D E F G H I J and the following set of functional dependencies?
A B → J
D → B
J→ C E F G H I
2. What is (are) the candidate key(s) for a table with columns L M N O P Q and the following set of functional dependencies?
L→ M N
O → L P Q
3. What is (are) the candidate key(s) for a table with columns A B C D E F G H I and the following set of functional dependencies?
A → C D E F
E→G H I
6.What is (are) the candidate key(s) for a table with columns M N O P Q R S T U and the following set of functional dependencies?
M →N O P
O P →M
N → Q R S T
Object Oriented model :An object has values stored in instance variables within the object. An object also has bodies of code that execute on the object. These bodies of code are
What is a shadow copy scheme? It is simple, but efficient, scheme known as the shadow copy schemes. It is based on making copies of the database called shadow copies that singl
1. Will you advise that your organization uses open source software and why? 2. Why is it important for business managers to have a basic understanding of the software development
he SQL query that will return the order number, quantity ordered, price each and total cost of an order (quantity * price each) from the order details table. Label the calculated c
Why containment is important in oosystems? Containment is an significant concept in oosystems because it allows dissimilar users to view data at different granularities.
write program
How does Tuple-oriented relational calculus vary from domain-oriented relational calculus? The tuple-oriented calculus uses a tuple variables i.e., variable whose only allowed
Illustrate the statement 'Projection operation distributes over the union operation'. Give an example. Ans: Π L (E 1 ∪ E 2 ) = (Π L (E 1 )) ∪ (Π L (E 2 )) This says th
I need a help with my assignment of data envelopment analysis which is due for submission next week on monday the 10th Dec. Will you be able to help so that I can submit it on tim
Hi, Do you offer private tuition for DBMS?
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