【SELECT * FROM test WHERE p_id = 92876 ORDER BY weight LIMIT 5】
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select * from test where p _ id = 92876 order by weight limit 5 select * from test where p _ id = 92876 order by weight limit 5简介:测试表有10499705行 。表大小393 MB Select * from test where s _ id = 92876 order by weight limit 50 选择*
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