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create table t ( user_id int, value_1 int, value_2 int ); insert into t values (100, 50, 1), (100, 50, 2), (101, 50, 1), (101, 50, 2), (102, 50, 2), (102, 50, 3); select * from t; delete from t where exists ( select 1 from t tdouble where t.user_id = tdouble.user_id and t.value_1 = tdouble.value_1 and t.value_2 > tdouble.value_2 ); select * from t;
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