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Recent questions tagged database-normalization
0
votes
1
answer
1
functional dependency
given an instance of relation R(ABC). find all non-trivial FDsare AB->C, AC->B, BC→ A true ??
vivek1211
asked
in
Databases
Mar 12
by
vivek1211
47
views
database-normalization
0
votes
2
answers
2
Database Relations | Heighest normal form
MSQ A relation R(A,B,C,D) has only trivial functional dependencies of the form ( A→A, AB→AB,ABC→A, etc) Then consider the following options: The relation is surely in BCNF The relation is surely in 3NF The relation is surely in 2NF None of the above
Souvik33
asked
in
Databases
Dec 17, 2022
by
Souvik33
198
views
database-normalization
databases
bcnf
normal-forms
canonical-normal-form
multiple-selects
1
vote
0
answers
3
DRDO CSE 2022 Paper 2 | Question: 15 (a)
Answer the following. __________ is the operation that reverses the normalization to denormalization form.
admin
asked
in
Databases
Dec 15, 2022
by
admin
94
views
drdocse-2022-paper2
databases
database-normalization
2-marks
fill-in-the-blanks
2
votes
2
answers
4
DRDO CSE 2022 Paper 2 | Question: 15 (b)
Answer the following. ___________ removes all the rows of the given table.
admin
asked
in
Databases
Dec 15, 2022
by
admin
109
views
drdocse-2022-paper2
databases
database-normalization
2-marks
fill-in-the-blanks
1
vote
0
answers
5
DRDO CSE 2022 Paper 2 | Question: 15 (c)
Answer the following. Which of the following are not keys in the database? Compliment * Agreement Construct Supplement
admin
asked
in
Databases
Dec 15, 2022
by
admin
64
views
drdocse-2022-paper2
databases
database-normalization
1-mark
descriptive
2
votes
3
answers
6
#Self Doubt
A Relation R is in 3NF and have only 1 Candidate Key(may or may not be composite), then R is in BCNF. True or False??
Sunnidhya Roy
asked
in
Databases
Dec 13, 2022
by
Sunnidhya Roy
205
views
database-normalization
bcnf
2
votes
1
answer
7
What should the answer be?
I think the answer should be (B) would be right, because lets say in R, there is a FD NPA -> CK, it won't qualify as BCNF even if CK is single attribute
h4kr
asked
in
Theory of Computation
Dec 9, 2022
by
h4kr
90
views
database-normalization
bcnf
1
vote
0
answers
8
self doubt
Any attribute(s) determining a prime attribute, automatically becomes a prime(s) attribute True or false
JAINchiNMay
asked
in
Databases
Dec 1, 2022
by
JAINchiNMay
140
views
self-doubt
databases
database-normalization
true-false
0
votes
1
answer
9
Normalisation
Consider a relation R with more than two attributes. Let A and B are sets of attributes from R and A$\cap$B = $\phi$. Functional dependency A → B holds on R. Which one of the following can be a correct possible situation for R? A and B contain prime and non-prime ... do we need to assume that all the functional dependencies holding on R are of type A → B such that A$\cap$B = $\phi$?
Chaitanya Kale
asked
in
Databases
Nov 1, 2022
by
Chaitanya Kale
254
views
database-normalization
made-easy-test-series
relational-model
0
votes
0
answers
10
UGC NET CSE | October 2022 | Part 1 | Question:: 53
Match List I with List II : ... $\text{(A)-(II), (B)-(I), (C)-(IV), (D)-(III)}$
admin
asked
in
Databases
Oct 23, 2022
by
admin
108
views
ugcnetcse-oct2022-paper1
database-normalization
0
votes
0
answers
11
test series
viral8702
asked
in
Databases
Oct 15, 2022
by
viral8702
12
views
database-normalization
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