What MySQL MAKE_SET() function returns if there are all NULL at the place of strings?


MySQL MAKE_SET() function will return nothing if there are all NULL at the place of strings. Following example will demonstrate it −

Example

mysql> Select MAKE_SET(2, NULL,NULL,NULL);
+-----------------------------+
| MAKE_SET(2, NULL,NULL,NULL) |
+-----------------------------+
|                             |
+-----------------------------+
1 row in set (0.00 sec)

Updated on: 22-Jun-2020

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