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DATEADD Date FunctionThe DATEADD () function adds or subtracts a specified time interval from a date.Day:Add two days to the current dateSelect DATEADD (Day,2,'2014-12-30')- on Select DATEADD (DD,2,'2014-12-30'Month:Add two months to the current dateSelect DATEADD(MM,2,'2014-12-30'Results -- Geneva- - Select DATEADD(MONTH,2,'2014-12-30'Results -- Geneva- - Years:Add two years to the current dateSelect DATEADD(YY,2,'2014-12-30'Results .- A- - Select D
We often use a variety of date formats for some purpose. Of course, we can use string operations to construct various date formats, but why are there any ready-made functions? The default datetime format of the Chinese version of SQL Server is yyyy-mm-dd thh: mm: Ss. mmm example: Select getdate () 11:06:08. 177 sort ou
We often use a variety of date formats for some purpose. Of course, we can use string operations to construct various date formats, but why are there any ready-made functions?
The default datetime format of the Chinese version of SQL Server is yyyy-mm-dd thh: mm: Ss. Mmm.
For example:
Select getdate ()
11:06:
SQL Server Chinese version of the default Date field datetime format is YYYY-MM-DD Thh:mm:ss.mmm
For example:
Select GETDATE ()
Sorted out the date format conversion methods that you might often use in SQL Server:
examples are
The default datetime format for ms SQL Server Chinese edition is yyyy-mm-dd hh: mm: Ss. Mmm
Long/short Date Format
CopyCode The Code is as follows: -- short Date Format: yyyy-m-d
Select Replace (convert (varchar (10), getdate (), 120), N'-0 ','-')
-- Long Date Format: yyyy-
Tags: today IMA alt technology Send server convert images parameterCONVERT (varchar), Sendtime, 23) –-sql field Sendtime parametersSelectdatename (Weekday,getdate ());--return to the current weekSelectdatepart (Month,getdate ());--return to the current monthSelectday (GetDate ());--Returns the current date number of daysSelect how many weeks of the year =datename
Tags: SQL Server/*
query all Sundays
@startdate start date @enddate End date in a certain date
*/
DECLARE @startDate datetime
DECLARE @ endDate datetime
DECLARE @week varchar
set @startDate = ' 20150101 '
set @endDate = ' 20151231 '
while @startDate Copyright NOTICE: Th
There is often a large amount of data in your project that is saved to the database, such as saving it with just one table. The preferred solution is to create dynamic tables by date to hold the data. With a dynamic stored procedure as the preferred option, a date calculation in a SQL Server stored procedure, and a
I have a business here that requires the customer to fill in the ID number, automatically calculate his birth date and ageIn SQL, the specific stored procedure implementation is this:/*********************************************** date and age of birth based on social Security number DATE:
Tags: class order by Blog server datetime-SYS number startDECLARE @start datetimeDECLARE @end datetimeSet @start = ' 2018-01-25 'Set @end = ' 2018-02-03 'Select DATEADD (Dd,num, @start)From (SELECT row_number () Up (ORDER by ID)-1 as num from sysobjects) KKwhere DATEADD (Dd,num, @start) --2018-01-25 00:00:00.000--2018-01-26 00:00:00.000--2018-01-27 00:00:00.000--2018-01-28 00:00:00.000--2018-01-29 00:00:00.000--2018-01-30 00:00:00.000--2018-01-31 00:0
The number of SQL statements on the first and last day of the month is taken online, either through character interception, or through functions, individuals or rather by using built-in functions to handle,But look at the use of the online function to take the first day and the last day of the SQL statement almost like the following, in fact, there is a problem, there is a critical issue.First day of the mo
Current system date, timeselect2015-06-18 14:52:27.123Extracting data from a dateday(), month(),year() Select GETDATE (); –2015-06-18 14:52:27.123Select year (GETDATE ()); –2015Select MONTH (getdate ()); –6Select Day (getdate ()); –18Date format ConversionCONVERTSELECTCONVERT(char(19), getdate(), 120)Output format: 2008-02-27Specific reference: MSDNDate Plus and minus operationsSelect GETDATE (); -2015-06-18 15:07:07.770Select DATEADD (Year,-1,getdate
The default datetime format of the Chinese version of SQL Server is yyyy-mm-dd thh: mm: Ss. Mmm.For example:Select getdate ()11:06:08. 177I sorted out the date format conversion methods that may be frequently used in SQL Server:Example:Select convert (varchar, getdate (), 120)11:06:08
Select Replace (replace (convert (
The default datetime format of the Chinese version of SQL Server is yyyy-mm-dd Thh: mm: ss. mmm.For example:Select getdate ()11:06:08. 177I sorted out the date format conversion methods that may be frequently used in SQL Server:Example:Select CONVERT (varchar, getdate (), 120)11:06:08
Select replace (CONVERT (varchar,
, running the query will not be a problem. However, if time is involved, the situation is a little more complicated.Before we discuss the complexity of the date query, let's look at the most important built-in date processing functions.MySQL Date functionThe following table lists the most important built-in date functi
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