Interview Questions Model
 

An Enterprise Resource Planning application is an example of a(n) ________ .
A. single-user database application
B. Multiuser database application
C. e-commerce database application
D. Data mining database application
Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity?
A. Supertype entity
B. Subtype entity
C. Archetype entity
D. Instance entity
The XSLT processor copies the elements of the stylesheet until it finds a command in the format:
A. SELECT ... FROM ... WHERE.
B. {item, action}.
C. {for-each select}.
D. ...<\HTML>.
What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary?
A. VARCHAR2
B. CHAR
C. LONG
D. NUMBER
The entity integrity rule states that:
A. No primary key attribute may be null.
B. No primary key can be composite.
C. No primary key may be unique.
D. No primary key may be equal to a value in a foreign key.
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