redshift date functions

The date function is shown in the following table.DescriptionThe datename and DATEPART functions return the integer value of the string that corresponds to the specified date element in the date, respectively. Function Parameters Function GETDATE () Returns the current

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();

") Please search for more detailed usage. Date interval function-datediff (interval, date1, date2[, firstdayofweek][, FirstWeekOfYear]) Calculates the gap between two dates. For example, you can use DateDiff to calculate the number of days between two dates, or to calculate how many weeks from today to the end of the year. If the date1 is later than Date2, a negative number is returned. Parameter description: interval-with DATEADD () function D

1.1 obtain the current date + time (date + time) function: now () Mysql> select now (); + --------------------- +| Now () |+ --------------------- +| 22:20:46 |+ --------------------- +In addition to the now () function, MySQL also has the following functions: Current_timestamp (), Current_timestamp, Localtime (), Localtime, Localtimestamp -- (v4.0.6), Localtime

JS obtains time-related functions and converts timestamp to time and date. js obtains Timestamp and date conversion are common operations. The following describes how to implement mutual conversion through code examples. Before learning this article, I will introduce the Date () constructor parameters in javascript: Yo

MYsql Date and Time Functions MYsql Date and Time Functions 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. Here is an example of using

1. MySQL obtains the current date and time function1.1 obtain the current date + time (date + time) function: now ()Mysql> select now (); + --------------------- +| Now () |+ --------------------- +| 22:20:46 |+ --------------------- + In addition to the now () function, MySQL also has the following functions:Current_timestamp (), Current_timestamp, Localtime (),

Original link:MySQL time and date function-Redfox-Blog ParkHttp://www.cnblogs.com/redfox241/archive/2009/07/23/1529092.html--------------------------------------------------------------------------------------------------------------- ---------------------------------------First, MySQL gets the current date time function1.1 Get the current date + time (

Here is an example of using the date function. The following query Selects all records, and its date_col is within the last 30 days: mysqlSELECTsomethingFROMtableWHERETO_DAYS (NOW ()) Here is an example of using the date function. The following query Selects all records, and its date_col is within the last 30 days: mysql SELECT something FROM table WHERE TO_DAYS (NOW ()-TO_DAYS (date_col) = 30; DAYOF MYsql

-02-03 '); 1998 HOUR (Time) Returns the hour of time with a range of 0 to 23. Mysql> Select HOUR (' 10:05:03 '); 10 MINUTE (Time) Returns the minute of time, ranging from 0 to 59. Mysql> Select MINUTE (' 98-02-03 10:05:03 '); 5 SECOND (Time) The number of seconds to return time, ranging from 0 to 59. Mysql> Select SECOND (' 10:05:03 '); 3 Period_add (P,n) Add n months to the stage p (in format Yymm or yyyymm). Returns a value in the format yyyymm. Note that the stage parameter p is not a