Sql选择多列没有相同值的行

Question

     a b
row1 0 0
row2 1 0
row3 1 1

如何选择行中＆amp; b≠0的数据？ 我希望结果是row2和row3

Answer 1

Select
*
from
yourtable
where a <> 0
or b <> 0

Answer 2

SELECT * FROM `tableName` WHERE (a <> 0) OR (b <> 0);