How to gather stats without histograms?

When passing method_opt as 'FOR ALL COLUMNS SIZE 1', it means no histogram is collected for columns on the table(s).

exec dbms_stats.gather_schema_stats('SCOTT', method_opt=>'FOR ALL COLUMNS SIZE 1');

One can find the default value by executing as follows:
select DBMS_STATS.GET_PARAM('METHOD_OPT') from dual;

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