datediff function in sql

, $sec, $month, $day, $year); return $ret; } /**** simulation of DATEDIFF functions in SQL Server ******* $part Type: string Value range: year,month,day,hour,min,sec Indicates: Which part of the date to increase $date 1, $date 2 type: Timestamp Represents: two dates to compare return type: Numeric End * (*************/ function

How to Use the datediff function in VB Datediff (interval, date1, date2 [, firstweekofyear [, firstweekofyear])Returns the value of variant (long), indicating the number of time intervals between two specified days.Interval: Set the unit of Period Calculation between two dates. For example,>Interval= "M" indicates that the calculation unit is month. >IntervalSu

Extend the time functions in PHP DateDiff and DateAdd function DateDiff ($part, $begin, $end) {$diff = Strtotime ($end)-Strtotime ($begin); switch ($part) {case "Y": $retval = Bcdiv ($diff, (60 * 60 * 24 * 365)); Break Case "M": $retval = Bcdiv ($diff, (60 * 60 * 24 * 30)); Break Case "W": $retval = Bcdiv ($diff, (60 * 60 * 24 * 7)); Break Case "D": $retva

startdate from enddate. To avoid uncertainty, use a four-digit year. For information about the two-digit year, see the two digit year cutoff option. Enddate See startdate. 1. Return two-quarter time difference records CodeAs follows: if necessary, you can change the time field to the corresponding field in the database. View code 1 Declare @ startdatetime 2 Declare @ enddatetime 3 Set @ Startdatetime = ' 2011-01-01

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 Abbreviation Explain Year Yy,yyyy Years Month Mm,m Month Day Dd,d Days Week Wk,w Week

How to use DateDiff function in VB DateDiff (interval, Date1, date2[,firstweekofyear[,firstweekofyear])Returns a Variant (long) that represents the number of time intervals between two specified datesinterval: Sets the unit of the period calculation between two dates.For example, >interval= "m" means the calculated unit is month. >interval setting values such as:

VB has many built-in functions are very practical, very good, this article on the DateDiff to introduce! 1, function functions: Returns the time interval between two dates. Example: DateDiff("D", now, thedate) D stands for Day (day) now is the current time, Thedate is a time we define ourselves The result of the entire f