Find out the Patch Level

Find out the Patch Level:-
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You may need to find-out the patch level In some cases. Specially, this may required when you have created the tar with Oracle corp. The following statement is mostly run by DBA

select patch_level, application_name
from fnd_product_installations fpi
, fnd_application_tl fat
where patch_level is not null
and fpi.application_id = fat.application_id
order by application_name;