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

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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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