题解 | #查找employees表emp_no与last_name的员工信息#
查找employees表emp_no与last_name的员工信息
http://www.nowcoder.com/practice/a32669eb1d1740e785f105fa22741d5c
法一：取模
select * from employees where emp_no%2=1 and last_name!='Mary' order by hire_date desc
法二：正则表达式
select * from employees where emp_no regexp '[13579]$' and last_name!='Mary' order by hire_date desc
法三：按位与
select * from employees where emp_no&1 and last_name!='Mary' order by hire_date desc
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主要是为自己做个笔记
