https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_date-format 里面有1个%f,但是是6位的,如果毫秒只需要3位,再套一层substring,效果如下: 上图也顺便给了另1个小技巧:默认情况下now()和current_timestamp()函数,只精确到秒,如果需要到毫秒,传入3或6这样的精度值即可。
DATE_FORMAT和TIME_FORMAT函数用于将DATE和TIME转换为指定格式的字符串。 4. 代码示例 为了更好地理解如何拼接DATE和TIME,我们将使用一个示例表格来进行演示。假设我们有一个名为orders的表格,其中包含order_date和order_time两列,分别存储订单的日期和时间。我们希望将这两列拼接成一个完整的时间戳。 首先,我们需要...
7. SELECT ADDTIME(NOW(),20),SUBTIME(NOW(),30),SUBTIME(NOW(),'1:1:3'),DATEDIFF(NOW(),'2021-10- 01'), TIMEDIFF(NOW(),'2021-10-25 22:10:10'),FROM_DAYS(366),TO_DAYS('0000-12-25'), LAST_DAY(NOW()),MAKEDATE(YEAR(NOW()),12),MAKETIME(10,21,23),PERIOD_ADD(20200101010101,...
(Clients can set the session time zone as described in Section 5.1.13, “MySQL Server Time Zone Support”.) unix_timestamp is an internal timestamp value representing seconds since '1970-01-01 00:00:00' UTC, such as produced by the UNIX_TIMESTAMP() function. If format is omitted, ...
For instructions, see Section 7.1.15, “MySQL Server Time Zone Support”. CURDATE() Returns the current date as a value in 'YYYY-MM-DD' or YYYYMMDD format, depending on whether the function is used in string or numeric context. mysql> SELECT CURDATE(); -> '2008-06-13' mysql> ...
As of MySQL 5.1.12, the language used for day and month names and abbreviations is controlled by the value of thelc_time_namessystem variable (Section 9.8, “MySQL Server Locale Support”). As of MySQL 5.1.15,DATE_FORMAT()returns a string with a character set and collation given bycharac...
datetime包含日期、时间两部分,mysql存储和显示的格式是'YYYY-MM-DD hh:mm:ss',可以表示的范围是'1000-01-01 00:00:00' to '9999-12-31 23:59:59' 3、timestamp timestamp包含日期、时间两部分,在存储时存储的是时间戳,可以表示的范围是'1970-01-01 00:00:01' UTC to '2038-01-19 03:14:07' ...
TheDATETIMEtype is used for values that contain both date and time parts. DATETIME "类型用于包含日期和时间部分的值。 MySQL retrieves and displaysDATETIMEvalues in'_`YYYY-MM-DD hh:mm:ss`_'format. MySQL 以YYYY-MM-DD hh:mm:ss格式检索和显示DATETIME值。
mysql_select_db($database_LycanOnlinedb, $LycanOnlinedb); $query_DetailRS1 = sprintf("SELECT gigsid, location, date_FORMAT(date, '%e %M, %Y') as date, TIME_FORMAT(time, '%H:%i') as time, price, details FROM gigs WHERE gigsid = %s", GetSQLValueString($colname_DetailRS1, "int")...
SELECT CONVERT(TIME, SELECT STR_TO_DATE((select date_and_time_text FROM all_dates_and_time),'yyyy-mm-dd hh:mi:ss(24h)')); Where the colum date_col and time_col have the data type DATE and TIME, respectively. The date_and_time_text columns is the original date set. However I ca...