What is parameter entity ?
An entity that consists of DTD specifications, as distinct from a
general entity. A parameter entity defined in the DTD can then be
referenced at other points, thereby eliminating the need to recode the
definition at each location it is used.
What is parsed entity ?
A general entity that contains XML and therefore is parsed when inserted
into the XML document, as opposed to an unparsed entity.
What is parser ?
A module that reads in XML data from an input source and breaks it into
chunks so that your program knows when it is working with a tag, an
attribute, or element data. A nonvalidating parser ensures that the XML
data is well formed but does not verify that it is valid. See also
What is passivation ?
The process of transferring an enterprise bean from memory to secondary
storage. See activation.
What is persistence ?
The protocol for transferring the state of an entity bean between its
instance variables and an underlying database.
What is persistent field ?
A virtual field of an entity bean that has container-managed
persistence; it is stored in a database.
What is POA ?
Portable Object Adapter. A CORBA standard for building server-side
applications that are portable across heterogeneous ORBs.
What is point-to-point messaging system ?
A messaging system built on the concept of message queues. Each message
is addressed to a specific queue; clients extract messages from the
queues established to hold their messages.
What is primary key ?
An object that uniquely identifies an entity bean within a home.
What is principal ?
The identity assigned to a user as a result of authentication.
What is privilege ?
A security attribute that does not have the property of uniqueness and
that can be shared by many principals.
What is processing instruction ?
Information contained in an XML structure that is intended to be
interpreted by a specific application.
What is programmatic security ?
Security decisions that are made by security-aware applications.
Programmatic security is useful when declarative security alone is not
sufficient to express the security model of an application.
What is prolog ?
The part of an XML document that precedes the XML data. The prolog
includes the declaration and an optional DTD.
What is public key certificate ?
Used in client-certificate authentication to enable the server, and
optionally the client, to authenticate each other. The public key
certificate is the digital equivalent of a passport. It is issued by a
trusted organization, called a certificate authority, and provides
identification for the bearer.
What is publish/subscribe messaging system ?
A messaging system in which clients address messages to a specific node
in a content hierarchy, called a topic. Publishers and subscribers are
generally anonymous and can dynamically publish or subscribe to the
content hierarchy. The system takes care of distributing the messages
arriving from a node's multiple publishers to its multiple subscribers.
What is query
A component of an HTTP request URL that contains a set of parameters and
values that affect the handling of the request.
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