To Speed up gather stats run as per my work travel learning

normal run slow as i used in older days
===========================
exec dbms_stats.gather_schema_stats(ownname=>'USER_NAME',estimate_percent=>30,cascade=>TRUE);



To speed up stats.gather_schema
============================
exec dbms_stats.gather_schema_stats('USER_NAME',options=>'GATHER',estimate_percent => DBMS_STATS.AUTO_SAMPLE_SIZE, method_opt => 'FOR ALL COLUMNS SIZE AUTO', cascade => TRUE, degree => DBMS_STATS.DEFAULT_DEGREE);



Thanks for the visit !
 Any doubts or correction/suggestions, please comment below it helps me to improve in further posts.

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