oracle:根據字段數據長度排序

在項目上遇到了需要按照數據長度來排序查詢的問題小記

/*
　　order by 排序，desc降序，asc升序
*/

select * from table t order by LENGTH(t.name) desc;  

select * from table t order by nvl(length(trim(t.name)),0) desc;

select * from table t order by length(trim(t.name)) desc;