使用位运算
查找employees表
http://www.nowcoder.com/questionTerminal/a32669eb1d1740e785f105fa22741d5c
select * from employees where emp_no & 1 and last_name != 'Mary' order by hire_date desc; # <> 等价于 !=
查找employees表
http://www.nowcoder.com/questionTerminal/a32669eb1d1740e785f105fa22741d5c
select * from employees where emp_no & 1 and last_name != 'Mary' order by hire_date desc; # <> 等价于 !=
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