sql server 中時間比較例子:select
count(*) from
table
where
datediff ([
second
], '
2004-09-18 00:00:18
', '
2004-09-18 00:00:19
') >0說明
select
datediff(day
, time1 , time2) 對應示例語句如下
select
datediff(day, '
2010-07-23 0:41:18
', '
2010-07-23 23:41:18')
time1
>
time2 為負數;
time1
<
time2 為正數; [
day] :只會比較 2010-07
-23 忽略 0:41:18
'其他同理
以下分別:
年: select datediff([year],time1 , time2) 返回值: -6 ,說明是後減前 與 mysql 相反的。
月: select datediff([month], time1 , time2)
天: select datediff([day], time1 , time2)
小時: select datediff([hour], time1 , time2)
秒: select datediff([second], time1 , time2)
SQL時間相關 SQL日期,時間比較
sql server 中時間比較 例子 select count from table where datediff second 2004 09 18 00 00 18 2004 09 18 00 00 19 0 說明select datediff day,time1 time2 對應示例語句如下...
SQL時間相關 SQL日期,時間比較
sql server 中時間比較 例子 select count from table where datediff second 2004 09 18 00 00 18 2004 09 18 00 00 19 0 說明select datediff day,time1 time2 對應示例語句如下...
SQL時間相關 SQL日期,時間比較
sql server 中時間比較 例子 select count from table where datediff second 2004 09 18 00 00 18 2004 09 18 00 00 19 0 說明select datediff day,time1 time2 對應示例語句如下...