A relation that is in First Normal Form and every non-primary-key attribute is fully functionally dependent on the primary key, then the relation is in
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16%
(1NF)
84%
(2NF)
Non-prime attribute COURSE_FEE is dependent on a proper subset of the candidate key, which is a partial dependency and so this relation is in 2NF
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61%
F
39%
T
A relation that is in First and Second Normal Form and in which no non-primary-key attribute is transitively dependent on the primary key, then it is in
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2%
(1NF)
14%
(2NF)
81%
(3NF)
3%
(4NF)
0%
(5NF)
1%
(BCNF)
The normalization of 2NF relations to 3NF involves the ....of transitive dependencies
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30%
insertion
70%
removal
is considered adequate for normal relational database design because most of the … tablesare free of insertion, update, and deletion anomalies
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8%
(2NF)
14%
(1NF)
75%
(3NF)
3%
(4NF)
If it fails to satisfy the n normal form condition, the highest normal form will be …
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5%
n
18%
n+1
77%
n-1
DBMS provides many operations e.g. creating a database, storing in the database, updating an existing database, delete from the database.
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95%
T
5%
F
… is a system that enables you to store, modify and retrieve data in an organized way. It also
provides security to the database
provides security to the database
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7%
SQL
10%
Database
83%
DBMS
is referring to the accuracy or correctness of the data in database.
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5%
Security
77%
Integrity
15%
Concurrency
4%
Recovery and Backup of data
are basically Boolean expressions that must evaluate to TRUE
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24%
Concurrency
68%
Integrity
8%
Security
In any case, changes to the database are allowed to create an instance that violates any IC
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59%
F
41%
T
We call these inherent model-based constraints
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23%
Constraints that can be directly expressed in schemas of the data model
64%
Constraints that are inherent in the data model
13%
Constraints that cannot be directly expressed in the schemas of the data model
DBMS is managed by administrators who are determined to protect the database from all the
threats in the database environment
threats in the database environment
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93%
T
7%
F
Administrators thus secure the DBMS from … threats
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3%
internal
6%
external
91%
Both of them
refers to the process of determining what a user can do.
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23%
Authentication
77%
Authorization