关于between的问题
cpp_1 2020-10-28 10:49:05 我想问一下
select * from a where time between ('2020-01-01) and ('2020-10-10') and ss=1
select * from a where time between '2020-01-01' and '2020-10-10' and ss=1
select * from a where (time between '2020-01-01' and '2020-10-10') and ss=1
这三句一样嘛
另外,用between and 和<>,执行效率一样吗?