EXCEPTION_INIT associates an exception name with an Oracle error number. You can intercept any ORA- error and write a specific handler for it instead of using the
OTHERS handler. For more information, see "Associating a PL/SQL Exception with a Number: Pragma EXCEPTION_INIT".
exception_init pragma ::=
Any valid Oracle error number. These are the same error numbers (always negative) returned by the function
A user-defined exception declared within the current scope.
Signifies that the statement is a compiler directive.
You can use
EXCEPTION_INIT in the declarative part of any PL/SQL block, subprogram, or package. The pragma must appear in the same declarative part as its associated exception, somewhere after the exception declaration.
Be sure to assign only one exception name to an error number.
For examples, see the following: