A relation with a single-attribute primary key is automatically in at least …
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11%
0NF
37%
1NF
46%
2NF
6%
3NF
Second Normal Form (2NF) is based on the concept of … functional dependency
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26%
Partial
74%
Full
If the proper subset of candidate key determines non-prime attribute, it is called … dependency
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89%
Partial
11%
Full
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
Anonymous Quiz
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