日期:2014-05-16 浏览次数:20687 次
select unix_timestamp('2008-1-1 12:10:50') - unix_timestamp('2008-1-1 12:10:20'); 结果: query result(1 records) unix_timestamp('2008-1-1 12:10:50') - unix_timestamp('2008-1-1 12:10:20') 30