DELETeFROM myTableWHERe ID IN ( SELECt * FROM ( SELECt t2.id FROM myTable t2 WHERe EXISTS ( SELECt 1 FROM myTable t3 WHERe t3.pre = t2.pre AND t3.price > t2.price * 5 HAVINg COUNT(*) > 1 ) ) t);
DELETeFROM myTableWHERe ID IN ( SELECt * FROM ( SELECt t2.id FROM myTable t2 WHERe EXISTS ( SELECt 1 FROM myTable t3 WHERe t3.pre = t2.pre AND t3.price > t2.price * 5 HAVINg COUNT(*) > 1 ) ) t);
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