CONCAT_WS(separator,str1,str2,...) : CONCAT_WS « String Functions « MySQL Tutorial

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MySQL Tutorial » String Functions » CONCAT_WS

23. 9. 1. CONCAT_WS(separator,str1,str2,...)

The first argument is the separator for the rest of the arguments.

If the separator is NULL, the result is NULL.

CONCAT_WS() does not skip empty strings.

CONCAT_WS() does skip any NULL values after the separator argument.


mysql>

mysql>

mysql> SELECT CONCAT_WS(',','First name','Second name','Last Name');

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

| CONCAT_WS(',','First name','Second name','Last Name') |

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

| First name,Second name,Last Name                      |

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

1 row in set (0.02 sec)



mysql>

23. 9. CONCAT_WS
	23. 9. 1.	CONCAT_WS(separator,str1,str2,...)
	23. 9. 2.	Using CONCAT_WS with NULL value
	23. 9. 3.	Using CONCAT_WS with data in a table

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