Exam (elaborations)
FPT UNIVERSITY DBI202 EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
- Course
- Institution
FPT UNIVERSITY DBI202 EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
[Show more]
Content preview
FPT UNIVERSITY DBI202 EXAM 2024/2025WITH 100% ACCURATE SOLUTIONS
1. a: QN=1 (6803) A is a logically coherent collection of data with
some inherent meaning, representing some aspect of real world and
being designed, built and populated with data for a specific purpose
a. Database
b.Database Instance
c. Schema
d. Schema Instance
2. b: QN=2 (6801) Choose the most correct statement.
a. Database is created and maintained by a DMBS
b.All of the others
c. Database is a collection of data that is managed by a DBMS
d. Database is a collection of information that exists over a long period o
time
3. b: QN=3 (6802) Which of following is never used as a data model?
a. Hierarchical data model
b.None of the others
c. Graph-based data model
d.Tree-based data model
e. Relational data model
4. a: QN=4 (6817) A is a relation name, together with the
attributes of that relation.
a. schema
b.database
c. database instance
d. schema instance
5. a: QN=5 (6824) A is a notation for describing the structure of the
data in a database, along with the constraints on that data
a. data model
b.database management system
c. data operation
d. data manipulation
6. a: QN=6 (6827) A is a language for defining data structures
a. DDL
b.DML
c. DCL
d. None of the others
7. a: QN=7 (6834) Which statement is used to remove a relation named
R?
a. DROP TABLE R;
, FPT UNIVERSITY DBI202 EXAM 2024/2025
WITH 100% ACCURATE SOLUTIONS
b.REMOVE TABLE R;
, FPT UNIVERSITY DBI202 EXAM 2024/2025
WITH 100% ACCURATE SOLUTIONS
c. DELETE TABLE R;
d.TRUNCATE TABLE R;
8. b: QN=8 (6829) What is another term for a row in a relational table?
a. Attribute
b.Tuple
c. Field
d. Relation
9. d: QN=9 (7961) Given a relation R(A,B,C,D). Which of the followings is
trivial?
a. A->AB
b.A->->AB
c. A->BCD
d. A->->BCD
10.b: QN=10 (7972) Let R(ABCD) be a relation with functional
dependencies
{A ->
B, C -
> B,
B -> D}
What is the key for R (choose one)
a. AB
b.AC
c. AD
d. BD
11.a: QN=11 (7966) Suppose R is a relation with attributes A1,
A2, A3, A4. The only key of R is {A1, A2}. So, how many super-
keys do R have?
a. 4
b.8
c. 12
d. 16
12.a: QN=12 (7990) Consider the following functional
dependencies a,b -> c,d e,g,h -> f,j
a,c -> b,d p,q -> r,s
e,f,g -> h,i s -
> t f,g -> j q -
> u g,h -> i
Which of the following best describes the relation R(e,f,g,h,i,j)?
a. R is in First Normal Form
, FPT UNIVERSITY DBI202 EXAM 2024/2025
WITH 100% ACCURATE SOLUTIONS
b.R is in Second Normal Form
c. R is in Third Normal Form
d. R is in Boyce Codd Normal Form
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller JUICYGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $16.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now