sqlplus / as sysdba <set linesize 200 pagesize 999
set long 99999 longc 99999
set timing on
set time on
set echo on
spool gather_xxx.log
exec DBMS_STATS.GATHER_SCHEMA_STATS(ownname=>'xxx',ESTIMATE_PERCENT=>dbms_stats.auto_sample_size,method_opt=>'for all columns size 1',cascade=>true,force=>true,degree=>32);
spool off
exit
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