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how to select data in mysql


Go to solution Solved by shaddf,

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I have this query :

select GROUP_CONCAT(Other_type)as projtype2,PrT_id  from  _Otherproject_typetbl,_project_typetbl
where _Otherproject_typetbl.Other_id=_project_typetbl.Other_id and Project_id=in_projid;

and it gives this result:

 

+-----------+--------+
| projtype2 | PrT_id |
+-----------+--------+
| All_other | HR_3   |
+-----------+--------+
1 row in set (0.04 sec)
 

I would to set the value incase it is "Allother" to be set to empty  or null  in any of the columns

+-----------+--------+
| projtype2 | PrT_id |
+-----------+--------+
| null         | HR_3   |
+-----------+--------+
1 row in set (0.04 sec)

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