SELECT COALESCE(NULL,NULL,NULL); : COALESCE « Comparison Functions Operators « MySQL Tutorial

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MySQL Tutorial » Comparison Functions Operators » COALESCE

15. 3. 1. SELECT COALESCE(NULL,NULL,NULL);


mysql>

mysql> SELECT COALESCE(NULL,NULL,NULL);

+--------------------------+

| COALESCE(NULL,NULL,NULL) |

+--------------------------+

| NULL                     |

+--------------------------+

1 row in set (0.00 sec)



mysql>

15. 3. COALESCE
	15. 3. 1.	SELECT COALESCE(NULL,NULL,NULL);

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