GREATEST « Comparison Functions Operators « MySQL Tutorial

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MySQL Tutorial » Comparison Functions Operators » GREATEST

15. 6. GREATEST
	15. 6. 1.	GREATEST(value1,value2,...) returns the largest (maximum-valued) argument within two or more arguments
	15. 6. 2.	GREATEST(value1,value2,...) returns NULL if any argument is NULL.
	15. 6. 3.	SELECT GREATEST(3.0,3.0,5.0,7.0);
	15. 6. 4.	SELECT GREATEST('B','A','C');
	15. 6. 5.	Use GREATEST(value1,value2,...) function with column data
	15. 6. 6.	GREATEST(@id1, @id2, @id3, @id4, @id5): using Greatest function with user-defined variables

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