标签:timestamp database 实例 sql vertica
SQL语句实例:
select count(id) as num from public.user where cast((CURRENT_TIMESTAMP-login_timed) day as integer )<=1;
或
select count(id) as num from public.user where cast((CURRENT_TIMESTAMP-login_timed) hour as integer )<=24;
大家可以根据表结构稍作调整后使用
vertica时间计算SQL语句实例:统计一天内登录的用户,布布扣,bubuko.com
标签:timestamp database 实例 sql vertica
原文地址:http://blog.csdn.net/tx18/article/details/27969127