Saturday, June 18, 2011
Streams of raw facts representing events before they have been organized and arranged
into a form that people can understand and use. See information.
A structured description of database objects such as tables, indexes, views and fields,
with further descriptions of field types, default values and other characteristics.
A data representation of a real world object or concept. Usually represented as a row in
a database table, such as information about a specific Product in inventory.
DATA FLOW DIAGRAM
A primary tool in structured analysis that graphically illustrates a system's component
processes and the flow of data between them.
A description of how the computer is to interpret the data stored in a particular field. Data
types can include text or character string data, integer or floating point numeric data,
dates, date/time stamps, true/false values, or Binary Large Objects (BLOBs) which can
be used to store images, video, or documents.
A set of related data tables and other database objects, such as a data dictionary, that
are organized as a group. A collection of data organized to service many applications at
the same time.
A component of a database, such as a table or view.
Person(s) responsible for the administrative functions of databases, such as system
security, user access, performance and capacity management, and backup and
DATABASE MANAGEMENT SYSTEM (DBMS)
Software used to create and maintain a database and enable individual business
applications to extract the data they need without having to create separate files or data
definitions for their own use.
An initial value assigned to a field by the application when a new database record is
created. Used to facilitate data entry by pre-entering common values for the user.
A specific work product, such as requirements or design documentation, produced during
a task or activity to validate successful completion of the task or activity. Sometimes,
actual software is delivered.
A specification for a software object or component that fulfills, or assists in the fulfillment
of a functional element. A part of the system design specification.
A stage in the software development lifecycle that produces the functional and system
design specifications for the application under development.
The availability of developers and other resources with appropriate skills is a significant
factor in project success. When developers and resources are readily available, the
likelihood of project success is very high. Most development firms manage multiple
projects, allowing some contention between projects for developers and other resources.
This project risk factor is considered high when one or more developers with specific skill
sets, or resources with specific capabilities, need to be acquired before the project can
Information made available to: 1) assist end-users in the operation of a software
application, generally in the form of on-line help, or 2) assist developers in locating the
correct root procedure or method for a specific software function, generally in the form of
an implementation map. Note that printed manuals are rarely delivered with software
anymore; on-line documentation is more consistently available from within the applicationand is easier to use.