mysql datediff in seconds

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 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

First, MySQL gets the current date time function 1.1 Get the current date + time (date + times) function: Now () Mysql> Select Now (); +---------------------+ | Now () | +---------------------+ | 2008-08-08 22:20:46 | +---------------------+ In

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 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 ()

functions for date, time \ Timestamp in SQL statements in MySQL databaseOne MySQL gets the current date time function1.1 Get the current date + time (date + times) function: Now ()Mysql> Select Now ();+―――――――+| Now () |+―――――――+| 2008-08-08 22:20:46

First, MySQL gets the current date time function1.1 Get the current date + time (date + times) function: Now ()Mysql> Select Now (); +---------------------+| Now () |+---------------------+| 2015-01-22 22:20:46

From_unixtime () is the time function in MySQLDate is the parameter that needs to be processed (the parameter is a UNIX timestamp), can be a field name, or it can be a Unix timestamp stringThe following '%y%m%d ' is primarily the formatting of the