How to tell mview refresh time including minutes

Hi,
Using usr_mviews, I can get last_refresh_date. But it didn't tell hour and minutes. Is there a method I can get last refresh time including hour and minute?
Thank a lot,

I would use
alter session set nls_date_format = 'dd.mon.yyyy hh24:mi:ss';
then you don't need to change your query.

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How to tell mview refresh time including minutes

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