I had a view on sqlserver which i am trying to convert to work with mysql.
It uses a union which i believe does not work with mysql. What is another
alternative for union.

Sql with union:

select a.asset_id,a.material_id,b.material_id as parent_material_id from
lib_asset_tbl a inner join lib_asset_tbl b on a.parent_id=b.asset_id
union
select asset_id,material_id,'' from lib_asset_tbl where virtual_flag='N'

Help is appreciated,
Regards,
Harpreet Kaur
Software Developer
Crispin Corporations Inc.


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