假设表中只有这两个字段
例如: code = 1122 updatetime = 2021/12/31
code = 1122 updatetime = 2021/1/22
code = 1122 updatetime = 2021/10/8
code = 1123 updatetime = 2021/11/8
code = 1123 updatetime = 2021/10/8
将 第二条第三条和第五条数据删除
又不能这样写 delete from table where code in(1122,1123) and updatetime in(x,x),请问怎么实现