Oracle and Mysql time formatting 1. Oracle formatting time: Oracle obtains the current date and Date Format
Get system date: SYSDATE () format Date: TO_CHAR (SYSDATE (), 'yy/MM/DD HH24: MI: SS) or TO_DATE (SYSDATE (), 'yy/MM/DD HH24: MI: SS) format
MySQL date data type and time type usage summary MySQL date type: Date format, storage space occupied, date range comparison.
Date type storage space date format date range
-----------------------------------------------------------------------------
MySQL date type: Date Format, storage space occupied, and date range comparison.Date type storage space date format date range-----------------------------------------------------------------------------------Datetime 8 bytes YYYY-MM-DD hh: mm: SS 10
MySQL obtains the current date and time stamp function bitsCN.com
MySQL returns the current date, time, and timestamp.
1.1 obtain the current date + time (date + time) function: now ()
Mysql> select now ();
+ ------- +
| Now () |
+ ------- +
| 22:2
MySQL obtains the function Summary of the current date and time. For more information, see.
MySQL obtains the function Summary of the current date and time. For more information, see.
1.1 obtain the current date + time (date + time) function: now ()
Detailed description of mysql to obtain the current date and format, detailed description of mysql current date
MySQL obtains the current date and Date Format
Get system date: NOW ()
Format date: DATE_FORMAT (date, format)
Note: date: Time
MySQL: Summary of date functions and time functions bitsCN.com
Published inWww.sqlstudy.com1. MySQL obtains the current date and time function
1.1 obtain the current date + time (date + time) function: now ()
mysql> select now();+-------------------
MySQL returns the current date and time function summary bitsCN. com1.1 returns the current date + time (date + time) function: now ()
Mysql> select now ();
+ --------------------- +
| Now () |
+ --------------------- +
| 22:20:46 |
+ -------------
MySQL Date TypeMySQL Date Type: Date format, occupied storage space, date range comparison.Date type storage space Date format date range------------ --------- --------------------- -----------------------------------------DateTime 8 bytes
MySQL timestampdiff () functions are much more powerful than datediff () functions. datediff () can only calculate the number of days for the difference between two dates.
Mysql common date addition and subtraction functions and instance
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