teradata datediff

Tags: des style blog http color ar data Art divLearn 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 -- query all data for the day Select * from where DateDiff (Day, Ordtime,getdate()-1) = 0 --info is the table name, Dat

Let's review the DateDiff and DATEADD functions first. The DateDiff function calculates the total number of hours, days, weeks, months, and years of time between two dates. The DateAdd function calculates a date by adding and reducing time intervals to obtain a new date. Learn more about DateDiff and DATEADD functions and time intervals to read Microsoft online H

DateDiff function Returns the time interval between two dates. DateDiff(interval, date1, date2 [,firstdayofweek[, firstweekofyear]]) The syntax for the DateDiff function has the following parameters: Parameters Interval Required option. String expression represents the time interval between date1 and date2 calculations. For numeric values, see the "Settings" sect

Asp: DateDiff function, aspdatediff Function DateDiff Function Returns the value of Variant (Long), indicating the number of time intervals between two specified days. Syntax DateDiff (interval, date1, date2 [, firstdayofweek [, firstweekofyear]) The DateDiff function syntax contains the following naming parameters: Pa

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 | millisecond ParametersDate-part specifies the date part of the interval to be measured. For more information about date, see date. Date-expression-1 The start da

)-- 15,200 9 Select convert (varchar (12), getdate (), 109)-- 03 15 2009 Select convert (varchar (12), getdate (), 110)-- 03-15-2009 Select convert (varchar (11), getdate (), 113)-- 15 03 2009 Select convert (varchar (12), getdate (), 114)-- 15: 15: 55: 717 3. datediff Datediff (datepart, startdate, enddate) Parameter: datepart list Date Abbreviations

1,Datediff Syntax description: Datediff (date-part, date-expression1, date-expression2) Function: Returns the interval between two dates. Parameter description: Date-part: Year | quarter | month | week | Day | hour | minute | second | millisecond Date-part specifies the date part of the interval to be calculated. The start date of an interval in the date-expression1. Subtract this value from the date-exp

DateDiff function Describe Returns the time interval between two dates. Grammar DateDiff (interval, date1, date2 [, firstdayofweek][, FirstWeekOfYear]]) The syntax for the DATEDIFF function has the following parameters: Parameter description Interval must be selected. A string expression that is used to calculate the time interval between Date1 and Date2. For n

function DateDiff function Describe Returns the time interval between two dates. Grammar DateDiff (interval, date1, date2 [, firstdayofweek][, FirstWeekOfYear]]) The syntax for the DATEDIFF function has the following parameters: Parameter description Interval must be selected. A string expression that is used to calculate the time interval between Date1 and Dat

, "31-jan-95") In this example, DATEADD returns February 28, 95, not February 31, 95. If date is January 31, 96, it returns February 29, 96, because 1996 is a leap year. If the calculated date is before 100 A.D., an error is generated. If number is not a Long value, it is rounded to the nearest integer before being evaluated. 2. Date Subtraction DateDiff function Returns the time interval between two dates. Date