Question: R ( A , B , C , D ) is a schema. Which of the following is likely not to have a lossless join

R(A,B,C,D) is a schema. Which of the following is likely not to have a lossless join dependency preserving BCNF decompusition?
ABCD
AB,ACD
AD,BCD
None of these
R ( A , B , C , D ) is a schema. Which of the

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

Q:

1 Define redundancy? Knowledge 5 2 Define functional dependency? Why are some functional dependencies trivial? Knowledge 5 3 Discuss normalization? Understand 5 4 Illustrate functional dependency...

Q:

Consider a relation scheme R = (A, B, C, D, E, H) on which the following 1 functional dependencies hold: {A->B, BC-> D, E->C, D->A}. Write the Apply 5 candidate keys of R? Consider the following...

Q:

Solve please Consider a relation scheme R = (A, B, C, D, E, H) on which the following 1 functional dependencies hold: {A->B, BC-> D, E->C, D->A}. Write the Apply 5 candidate keys of R? Consider the...

Q:

n6 F(K,L,M,N) is a relation. nswered Which of the following does not have a lossless join, dependency preserving BCNF decomposition ? out of 2.00 uestion Select one: O a. K-L, LMN O b. K-L, LM, MN O...

Q:

Which one is correct w . r . t . RDBMS ? primary key super key candidate key primary key candidate key super key super key candidate key primary key super key primary key candidate key The relation...

Q:

Question # 4 : Consider a relation R ( A , B , C , D , E , F , G ) with the following functional dependencies: A B C A D C E B E F C a ) Is R in the Third Normal Form, if yes explain why, if not...

Q:

Consider a relation R = (A, B, C, D), and functional dependency set F = {AB ? C, C ? D, D ? A}. a) Is F a minimal cover? Explain. b) Compute F+. c) List all the super keys of R. d) List all the...

Q:

This is how we have to do it!: Question 3 Given is the relational schema R= (A, B, C, D, E) and the set of functional dependencies F = {AB BC, C + A,BC D}. Is R in 3NF? If not, give a lossless and...

Q:

This is how we have to do it!: Question 2 Given is the relational schema R= (A, B, C, D, E) and the set of functional dependencies F = {AB BC,C A, ABC D}. Is R in 3NF? If not, give a lossless and...

Q:

4.1. Decomposition (10 points). Assume R = (A B C D E) and F ={ABCDE,CE,DB} Where A, B, C, D, and E represent individual attributes. Decompose R into BCNF, lossless, dependency preserving. If this is...

Q:

A high school guidance counselor hypothesized that peer group identity may have an effect on the number of schools to which her college-prep students apply. She draws eight students at random from...

Q:

1.What is the rationale behind market selection? 2.Discuss the market entries mood 3.How is Morgan's international communication strategy different from mainstream mass produced cars? 4.How can...

Q:

The fixed assets of a business are: Group of answer choices Generally capital assets throughout their holding period. Generally not capital assets. Generally are held for investment. Generally are...

Q:

Develop your a script for explaining the need for a referral to a client in an understandable manner. Use the space below, and remember to watch your spelling/grammar, etc! Also, make sure that you...