Concatenate string with NULL value : Null « Data Type « SQL / MySQL






  1. SQL / MySQL
  2. Data Type
  3. Null

Concatenate string with NULL value

   
/*
mysql> select CONCAT("a",null);
+------------------+
| CONCAT("a",null) |
+------------------+
| NULL             |
+------------------+
1 row in set (0.00 sec)


*/  
select CONCAT("a",null);








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