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Oracle® Fusion Middleware Language Reference Guide for Oracle Business Rules
11g Release 1 (

Part Number E10227-06
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This Preface contains these topics:


Oracle Fusion Middleware Language Reference Guide for Oracle Business Rules is intended for application developers and Oracle Application Server administrators who perform the following tasks:

To use this document, you need to be familiar with the Java programming language.

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This section describes the conventions used in the text and code examples of this documentation set. It describes:

Conventions in Text

Convention Meaning


Boldface type indicates graphical user interface elements associated with an action, or terms defined in text or the glossary.


Italic type indicates book titles, emphasis, or placeholder variables for which you supply particular values.


Monospace type indicates commands within a paragraph, URLs, code in examples, text that appears on the screen, or text that you enter.

RL Language Backus-Naur Form Grammar Rules

Each RL Language command in the guide is shown in a format description that consists of a variant of Backus-Naur Form (BNF) that includes the symbols and conventions in the following table.

Symbol or Convention Meaning

[ ]

Brackets enclose optional items.

{ }

Braces enclose items only one of which is required.


A vertical bar separates alternatives within brackets or braces.


A star indicates that an element can be repeated.


Delimiters other than brackets, braces, vertical bars, stars, and ellipses must be entered as shown.


Words appearing in boldface are keywords. They must be typed as shown.

(Keywords are case-sensitive in some, but not all, operating systems.)

Words that are not in boldface are placeholders for which you must substitute a name or value


When on the left side of a production ( ::= ) indicates a definition for a non-terminal symbol.


When found on the right side of a production, ::= , a link, which is a non-terminal symbol, links to the definition for the non-terminal symbol.

italic text

Semantic information about non-terminals, such as the required data type for an expression or a descriptive tag used in following discussion, is in italics.