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Exception Name Declaration

An exception declaration declares the name of a user-defined exception. You can use the EXCEPTION_INIT pragma to assign this name to an internally defined exception.

Topics:

• Syntax

• Semantics

• Examples

• Related Topics

Syntax

exception_declaration ::=

Description of the illustration exception_declaration.gif

Semantics

exception_name

An identifier—the name of the exception that you are declaring.

Restrictions on exception_name

You can use exception_name only in an EXCEPTION_INIT pragma, RAISE statement, RAISE_APPLICATION_ERROR invocation, or exception handler.

Caution:

Oracle recommends against using a predefined exception name for exception_name. For details, see "Redeclared Predefined Exceptions". For a list of predefined exception names, see Table 11-3.

Examples

• Example 11-5, "Naming Internally Defined Exception"

• Example 11-8, "Redeclared Predefined Identifier"

• Example 11-9, "Declaring, Raising, and Handling a User-Defined Exception"

Related Topics

In this chapter:

• "EXCEPTION_INIT Pragma"

• "Exception Handler"

• "RAISE Statement"

In other chapters:

• "Internally Defined Exceptions"

• "User-Defined Exceptions"