User-Defined Errors : Raise Exception « PL SQL Programming « Oracle PL/SQL Tutorial

Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » PL SQL Programming » Raise Exception

24. 16. 1. User-Defined Errors

Users can explicitly raise an exception with the RAISE command.

Steps for trapping a user-defined error include the following:

Declare the name for the user exception within the declaration section of the block.

Raise the exception explicitly within the executable portion of the block using the RAISE command.

Reference the declared exception with an error-handling routine.

24. 16. Raise Exception
	24. 16. 1.	User-Defined Errors
	24. 16. 2.	Raise Exception in a function
	24. 16. 3.	Raising an Exception Local PL/SQL Block
	24. 16. 4.	Avoiding exceptions raised in declaration part and exception handler
	24. 16. 5.	Raising an Exception in the Declaration Section
	24. 16. 6.	Exceptions Raised in the Exception Handler
	24. 16. 7.	Raising NO_DATA_FOUND
	24. 16. 8.	Raising a custom exception
	24. 16. 9.	Using WHEN OTHERS clause
	24. 16. 10.	Using SQLCODE and SQLERRM
	24. 16. 11.	Propogating a Server-side Customized Error Number and Error Message to client program using PRAGMA EXCEPTION_INIT

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