答案
select * from salaries force index (idx_emp_no) where emp_no = 10005;
知识点
https://blog.csdn.net/muskter/article/details/79052884
https://www.cnblogs.com/ll409546297/p/9060820.html
select * from salaries force index (idx_emp_no) where emp_no = 10005;
https://blog.csdn.net/muskter/article/details/79052884
https://www.cnblogs.com/ll409546297/p/9060820.html
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