建表及数据create table t1(id int,num1 int)insert into t1 values (1,1)insert into t1 values (2,3)insert into t1 values (3,2)insert into t1 values (4,1)insert into t1 values (5,6)insert into t1 values (6,3)insert into t1 values (7,6)insert into t1 values (8,1)insert...
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