datediff sql minutes

Learn from:http://bjtdeyx.iteye.com/blog/1447300The most common statements for SQL date queries -- query data on the first anniversary of the date of the day select * from shoporder where datediff (Week,ordtime,getdate () - 1 ) = 0 --

Datediff usage in SQL Server Datediff function [Date and Time] FunctionReturns the interval between two dates. SyntaxDatediff (date-part, date-expression-1, date-expression-2) Date-part:Year | quarter | month | week | Day | hour | minute |Second |

DATEDIFF function [date and time]The function returns the interval between two dates.Grammar DATEDIFF (Date-part, date-expression-1, date-expression-2)Date-part:year | Quarter | Month | Week | Day | Hour | Minute | Second | MillisecondThe parameter

Address: http://sunboyyyl.blog.163.com/blog/static/224738120112874910613/ Datediff function [Date and Time] Function: returns the interval between two dates. SyntaxDatediff (date-part, date-expression-1, date-expression-2) Date-part: Year |

Returns a time interval between two dates. GrammarDateDiff (interval, date1, date2 [, firstdayofweek][, FirstWeekOfYear]])The syntax for the DATEDIFF function has the following parameters:Parameter Description Interval must be selected. A string

Grammar:DATEDIFF (datepart,startdate,enddate)The datepart parameter can be the following value:Date-part:year | Quarter | Month | Week | Day | Hour | Minute | Second | MillisecondThe parameter date-part specifies the date portion of the interval to

PHP implementation of DateDiff and DateAdd time function code sharing, Datediffdateadd Extended time functions in PHP DateDiff and DateAdd function DateDiff ($part, $begin, $end) {$diff = Strtotime ($end)-Strtotime ($begin), switch ($part) {case "Y"

Select Day (createtime) from Life_unite_product--the days value of the Take time fieldSelect Month (createtime) from Life_unite_product--take the month value of the Time fieldSelect year (createtime) from Life_unite_product--the yearly value of the

DateDiff is commonly used to calculate date difference functions, using the following syntax:DATEDIFF (DatePart, StartDate, EndDate)Where parameter datepart has the following options (only common parameters are listed): DatePart

The DATEDIFF () function returns the number of days between two dates.SyntaxDATEDIFF (datepart, startdate, enddate)The startdate AND enddate parameters are valid date expressions.You need to know how many days the difference between a specified date