SQL to get time from database

SQL Server

-- 获取当前时间上一个小时的整点时间 eq:2022-12-05 14:08:35 => 2022-12-05 13:00:00
SELECT DATEADD( HOUR,- 1, ( CONVERT ( CHAR ( 13 ), GetDate( ), 120 ) + ':00:00' ) )

-- 获取当前时间分钟整点15分钟前的时间 eq:2022-12-05 14:42:03 => 2022-12-05 14:25:00
SELECT format ( dateadd( MINUTE, ( - 15 - DateName( MINUTE, GetDate( ) ) % 5 ), getdate( ) ), 'yyyy-MM-dd HH:mm:00.000' )

MySQL

-- 获取年月日 eq:2022-12-05 17:10:44 => 2022-12-05
select date_format( '2022-12-05 17:10:44', '%Y-%m-%d' )

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Origin blog.csdn.net/qq_44726330/article/details/128185739