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In Crow's Foot notation, an optional relationship between entities is shown by drawing
a(n) ____________________ on the side of the optional entity.
In order to meet performance requirements, you may have to denormalize portions of
the database design.
Any changes made to the contents of a table are not physically saved on disk until you
use the SAVE <table name> command.
A trigger is executed as part of the transaction that triggered it.
____________________ control is important because the simultaneous execution of
transactions over a shared database can create several data integrity and consistency
problems.
To be able to use a DTD file to define elements within an XML document, the DTD
must be stored within that XML document.
The DBA function provides data modeling and design services to the end-user
community, often through coordination with an application development group within
the data-processing department.
Attributes are types of entities.
An ERM is dependent on the database type.
One of the advantages of a DDBMS is improved communication.
Automating business procedures and automatically maintaining data integrity and
consistency are trivial in a modern business environment.
With the exception of the database ____________________ process, most RDBMS
vendors use SQL that deviates little from the ANSI standard SQL.
____________________ are characteristics of entities.
An access ____________________ describes the type of authorized access.
It is a relatively easy task to provide a precise list of characteristics of data-mining
tools.
A query language is a procedural language.
The objective of ____________________ control is to ensure the serializability of
transactions in a multiuser database environment.
How does a shared/exclusive lock schema increase the lock manager's overhead?
The Web ____________________ is the main hub through which all Internet services
are accessed.
