NVL2 « Conversion Functions « Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » Conversion Functions » NVL2

15. 4. NVL2
	15. 4. 1.	NVL2(x, value1, value2) returns value1 if x is not null.
	15. 4. 2.	nvl2(comm,12msal+comm,12msal) as yearsal
	15. 4. 3.	Use nvl2 to deal with null salary
	15. 4. 4.	Use the NVL() against a non-initialized BOOLEAN variable:

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