我需要从HR模式(oracle)的employees表中按字母顺序计数员工姓名
示例..
Last_name with. Count
A. 4
B. 3
...
...
Z. 5
查询的样子。
答案 0 :(得分:1)
我认为这可以做到:
select SUBSTR(name,1,1) as name,count(1) as CNT from YOURTABLE
group by SUBSTR(name,1,1)
order by name