MPCS 73147

subject Type Homework Help
subject Pages 7
subject Words 818
subject Authors Stephen Morris

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page-pf1
In the Chen model, a multivalued attribute is connected to the owning entity with a
double line.
______________________________ is a collection of concepts, techniques, and
processes for the proper identification, definition, and management of data elements
within an organization.
If the foreign key contains either matching values or nulls, the table that makes use of
that foreign key is said to exhibit ____________________ integrity
page-pf2
BI is a framework that allows a business to transform data into information, information
into knowledge, and knowledge into wisdom.
What is the ROLLUP extension to the GROUP BY clause? Provide the syntax for this
extension.
page-pf3
______________________________ provides a unified interface to access data from
any programming language that uses the underlying OLE-DB objects.
The DBA can use an audit log to automatically record a brief description of the
database operations performed by the users.
Identifying the attributes of the entities helps you better understand the
____________________ among entities.
Most of today's successful organizations depend on the ____________________
database to provide support for all of their operationsfrom design to implementation,
page-pf4
from sales to services, and from daily decision making to strategic planning.
Because a data cube's dimensions are predefined, all cells are populated.
The advent of very sophisticated application generators and ____________________
tools has substantially decreased coding and testing time.
Specialization is the top-down process of identifying lower-level, more specific entity
subtypes from a higher-level entity supertype.
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All relational tables satisfy the 1NF requirements.
Extensible Hypertext Markup Language (XHTML) is the next generation of
____________________ based on the XML framework.
Explain the different basic types of join operations. What are they and how do they
work?
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A(n) ____________________provides a detailed description of all tables found within
the user/designer-created database.
Explain the Boyce-Codd normal form (BCNF). How is it related to other normal forms?
____________________-side data input validation is one of the most basic
requirements for Web applications.
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An initial assessment of the information flow-and-extent requirements must be made
during the ____________________ portion of the SDLC.
Initially the files within a computer file system were similar to manual files.

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