SELECT * FROM tbm_news_dup_filter WHERE dup_news_id ='1181776898656';
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explain SELECT * FROM tbm_news_dup_filter WHERE dup_news_id ='1181776898656';
怎么知道运行MySQL的时长，经常优化需要知道的Mysql的优化技巧
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2022-05-17
explain SELECT * FROM tbm_news_dup_filter WHERE dup_news_id ='1181776898656';
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