|
| Parallel
Processor (Oracle Parallel Processor) |
|
The Oracle
component that splits a single database action into many processes. |
|
| Parallel
Query Option |
|
The
Oracle option that splits a single database query request into a series
of parallel query operations. See also parallel processor. |
|
| parent |
|
A value
at the level above a given value in a hierarchy. |
|
| partitioned
data |
|
Data that is physically
divided across many hard disks, either horizontally or vertically, to improve
application performance and security. |
|
| partitioning |
|
Splitting
data across different units at the system or application level. |
|
| persistence |
|
The process of transferring
the state of an entity between its instance variables and an underlying
database. |
|
| personalization |
|
The
process of customizing a Web page to include content or applications to
suit individual user preferences and enhance customer service or e-commerce
sales. |
|
| pivoting |
|
A query technique
that enables the arrangement of rows and columns to be changed in a report. |
|
| PL/SQL—Procedural SQL |
|
An extension to Oracle
SQL enabling SQL to be embedded within third-generation programming constructs,
such as GOTO and LOOP statements, for finer programming control. |
|
| portal |
|
A single
point of information on the Web. See also enterprise portal. |
|
| primary
key |
|
In Java, an object that uniquely identifies an
entity bean within a home.
In a relational database, a single or multiple column value that uniquely
identifies a single row in a table. |
|
| procedural
gateway |
|
Middleware that enables data on a non-Oracle
database to be viewed from Oracle applications. |
|
|
Procedural SQL (PL/SQL)
|
|
An extension to Oracle SQL enabling SQL to be
embedded within third-generation programming constructs, such as GOTO and
LOOP statements, for finer programming control.
|
|
| production
data |
|
Source
data subject to change. |
|
| program |
|
A
type of database object that contains a series of commands. Programs can
be nested, with one calling another to create a complete application or a
sophisticated database maintenance tool. If a program returns a value, it
is called a user-defined function. |
|
| property
|
|
A
characteristic of an object or component. Properties provide identifiers
and descriptions; define object features, such as color; or define object
behaviors, such as whether an object is enabled. |
|
| protocol |
|
A set
of rules precisely defining the methods for communicating. |
|
