How to check if database is exadata

select count(*) from (select distinct cell_name from gv$cell_state);

returns a number > 0, then the database runs on Exadata storage.


Non exadata:
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SQL> select count(*) from (select distinct cell_name from gv$cell_state);



  COUNT(*)

----------

         0



SQL> select distinct cell_name from gv$cell_state;



no rows selected