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 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
Date and Time functionsThis chapter discusses some functions that can be used to manipulate time values. See section 11.3, "Date and Time type" for valid formats for each time and date type with a range and a specified value.
The following example
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
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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 ()
1. Full backup and incremental backup 1.1 full-scale backupFull-volume data is all the data in the database, and a full backup is the backup of all the data in the database.Back Up all libraries:mysqldump -uroot -p123456 -S /data/3306/mysql.sock -F -
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 |
+ -------------
The basic commands used for MySQL cluster configuration and the real-time operation process,
1. Check whether you should use a MySQL cluster.
Reduce the pressure on the data center nodes and process large data volumes. MySQL is distributed and one
Turn from:http://blog.chinaunix.net/space.php?uid=11327712&do=blog&id=32416MySQL Date Type: Date format, occupied storage space, date range comparison.Date type storage space date format date range-----------------------------------------------------
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
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