dbms_stats.gather_schema_stats(ownname=>'ZSZQ',cascade=>ture,estimate_percent=>null,degree=>4,no_invlidate=>dbms_stats.auto_invalidate,granularity=>'auto',method_opt=>'FOR ALL COLUMNS SIZE AUTO',options=>'GATHER');
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2014-02-08 16:13笨笨的--阿勇
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