查询姓“李”的老师的个数；
时间:2019-01-05 22:20 来源:未知 作者:IT
select count(distinct(Tname))
from Teacher
where Tname like ‘李%’; (责任编辑：IT)
| select count(distinct(Tname)) from Teacher where Tname like ‘李%’; (责任编辑：IT) |