Related Questions

If no multivalued attributes exist and no partial dependencies exist in a relation, then the relation is in what normal form?
A First normal form
B Second normal form
C Third normal form
D Fourth normal form
When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
A Transitive Dependency
B Insertion Anomaly
C Referential Integrity Constraint
D Normal Form
When mapping a multivalued attribute into a relation which of the following is true?
A One relation is created.
B Two relations are created.
C Three relations are created.
D Four relations are created.
When building a database from an existing set of tables, we may safely assume that there are no multivalued dependencies in the data we are given.
A True
B False
In the ___ normal form , a composite attribute is converted to individual attributes .
A First
B Second
C Third
D Fourth
In the __ normal form , a composite attribute is converted to individual attributes .
A composite
B converted
C individual
D attribute
Normalization is a formal process for deciding which attributes should be grouped together in a relation.
A True
B False
When a body is subjected to a direct tensile stress (σ) in one plane, then maximum normal stress occurs at a section inclined at _________ to the normal of the section.
A 0°
B 30°
C 45°
D 90°
When a body is subjected to a direct tensile stress ($$\sigma $$) in one plane, then normal stress on an oblique section of the body inclined at an angle $$\theta $$ to the normal of the section is
A $$\sigma \cos \theta $$
B $$\sigma {\cos ^2}\theta $$
C $$\sigma \sin\theta $$
D $$\sigma {\sin ^2}\theta $$
__________ is an extended version of the XHTML markup language for supporting RDF through a collection of attributes and processing rules in the form of well-formed XML documents.
A XHTML + RDFa
B XHTML+XHTML5
C XHTML1.0+XHTML2.0
D XHTML + RDF

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