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Conversion of the specified format of the millisecond value and date in MySQL and its time function bitsCN.com I. conversion of the millisecond value to the specified date format
Use the FROM_UNIXTIME (unix_timestamp, format) function provided by
MySQL
For the value range of each type and the valid format of the specified date value, see 7.3.6 Date and Time type.
Here is an example of using the date function. The following query Selects all records. The value of date_col is within the last 3
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
For the description of the valid format of the value range of each type and the specified date and time value, see 7.3.6 Date and Time type.
For the description of the valid format of the value range of each type and the specified date and time
[MySQL] converts the datetime format to bitsCN.com.
[MySQL] converts the datetime format
Here is an example of using the date function. The following query selects all records. The value of date_col is within the last 30 days: www.bitsCN.com
Mysql>
Here is an example of using the date function. The following query Selects all records. The value of date_col is within the last 30 days:
Mysql> select something from tableWhere to_days (now ()-to_days (date_col)
Dayofweek (date)Returns the
DAYOFWEEK (date)Returns the day of the Week index (1= Sunday, 2 = Monday, ... 7= Saturday). These index values correspond to the ODBC standard.Mysql> Select DAYOFWEEK (' 1998-02-03 ');3
DayOfMonth (date)Returns the date of the month in the range
Here is an example of using a date function. The following query selects all records and its date_col value is within the last 30 days:
Mysql> SELECT something from table
WHERE To_days (now ())-To_days (Date_col)
DayOfWeek (date)
Returns the week
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