Related Questions

In the __ normal form , a composite attribute is converted to individual attributes .
A composite
B converted
C individual
D attribute
There are blank spaces in the following passage which have been numbered . These numbers are printed below the passage and against each some words are suggested . Find out the word that best fit the blank spaces. Global Strategies to control infective disease have historically included the erection of barriers to international travel and ___ (24) _______. Keeping people with such deadly disease outside national borders has ___ (25) _______ as an important public health policy in the human immunodeficiency virus (HIV) epidemic . Betwwn 29 and 50 countries ___ (26) _____ to have introduced border restrictions on HIV _ positive foreigners ,usually those planning an ___ (27) ___ stay in the country , such as students , workers or seamen.
A migration
B immigrate
C emigration
D immigration
All attribute declarations begin with the keyword ____________ followed by the element name, attribute name, attribute type, and default data information.
A XML
B SGML
C ATTLIST
D HTML
An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity.
A True
B False
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
A composite attribute is which of the following?
A An attribute that can be broken into components
B An attribute that cannot be broken into components
C Multiple attributes
D An identifier
The ___________ keyword begins the declaration of attributes that an element may take. It is followed by the name of the element in question, a list of attribute definitions, and a closing.
A DOCTYPE
B ATTLIST
C DTD
D SGML
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
If no multivalued attributes 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
The __________ attribute sets the text direction as related to the lang attribute.
A lang
B sub
C dir
D ds

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