Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
The entity sets of an E-R diagram are represented by??
Anonymous Quiz
7%
Circle
13%
Diamond
76%
Rectangles
4%
Square
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
The design of the database is called its ??
Anonymous Quiz
14%
Structur
80%
Schema
1%
Abstraction
4%
Domain
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
Superclasses and subclasses are shown as ______ in EER diagrams. ??
Anonymous Quiz
43%
rectangles
14%
diamonds
26%
lines
17%
Ellipses
😱1
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
In the relational model, relationships between relations or tables are created by using ??
Anonymous Quiz
15%
candidate keys
68%
foreign keys
11%
composite keys
6%
determinants
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
E-R Model is used to represent the ??
Anonymous Quiz
10%
External
53%
Conceptual
13%
Internal
24%
No one of that
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
Functional Dependencies are the types of constraints that are based on ??
Anonymous Quiz
27%
Superset key
11%
Key revisited
39%
Key
23%
None of that
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
SQL comprises of language ??
Anonymous Quiz
13%
Data definition language
25%
Data manipulation language
57%
Definition and manipulation language
4%
Data declaration language
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
In the normalized form relations, values saved are ??
Anonymous Quiz
17%
Arbitrary
20%
Repeated
11%
Continuous
52%
Atomic
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Is an associated among several attributes ??
Anonymous Quiz
59%
Relationship
30%
Entity
11%
Attributes
👎3
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
That allows us to store information without unnecessary redundancy??
Anonymous Quiz
35%
Relational DB
18%
UML
42%
Normalization
5%
No one of that
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
Which of the following gives a logical structure of the database graphically ??
Anonymous Quiz
26%
Database diagram
48%
Entity--relationship diagram
20%
Entity diagram
7%
Architectural representation
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
The entity relationship set is represented in E-R diagram as ??
Anonymous Quiz
48%
Diamond
16%
Dashed lines
19%
Double diamonds
17%
No one of that
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
The rectangles divided into two parts represents ??
Anonymous Quiz
15%
Relationship set
49%
Entity set
29%
Attributes of a relationship set
6%
Primary key
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
collection
of information stored in the database at a particular moment is ??
of information stored in the database at a particular moment is ??
Anonymous Quiz
6%
subschemas,
66%
instance
11%
schema.
17%
all of them Tru
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔
logical schema describes the database design at the physical level.(. )
Anonymous Quiz
44%
True
56%
False
Forwarded from ℬ𝒜𝒮𝒮𝒜ℳ🝔