DATEADD() Function Usage Examples in SQL Server

Q

How To Use DATEADD() Function in SQL Server Transact-SQL?

✍: FYIcenter.com

A

DATEADD() is a very useful function for manipulating date and time values. The following tutorial exercise shows you some good DATEADD() usage examples:

-- Incrementing 1 year on a leap date
DECLARE @birth_date DATETIME;
SET @birth_date = '2000-02-29 16:00:00.000';
SET @birth_date = DATEADD(year, 1, @birth_date);
SELECT @birth_date;
GO
2001-02-28 16:00:00.000

-- Decrementing 1 month on a leap date
DECLARE @birth_date DATETIME;
SET @birth_date = '2000-02-29 16:00:00.000';
SET @birth_date = DATEADD(month, -1, @birth_date);
SELECT @birth_date;
GO
2000-01-29 16:00:00.000

-- Incrementing 2 milliseconds
DECLARE @birth_date DATETIME;
SET @birth_date = '2000-02-29 16:00:00.000';
SET @birth_date = DATEADD(millisecond, 2, @birth_date);
SELECT @birth_date;
GO
2000-02-29 16:00:00.003

⇒ DATEDIFF() - Calculating DATETIME Value Differences in SQL Server

⇐ Incrementing or Decrementing Parts of DATETIME Values in SQL Server

⇑ Date/Time Operations and Functions in SQL Server Transact-SQL

⇑⇑ SQL Server Transact-SQL Tutorials

2017-02-20, 5014🔥, 0💬

DATEADD() Function Usage Examples in SQL Server
How To Use DATEADD() Function in SQL Server Transact-SQL? DATEADD() is a very useful function for manipulating date and time values. The following tutorial exercise shows you some good DATEADD() usage examples: -- Incrementing 1 year on a leap date DECLARE @birth_date DATETIME; SET @birth_date = '20... 2017-02-20, 5015🔥, 0💬

Getting Year, Month and Day Out of DATETIME Values in SQL Server
How To Get Year, Month and Day Out of DATETIME Values in SQL Server Transact-SQL? You can use DATEPART() to get any part of the DATETIME value. But to get year, month and day, you can use 3 specific functions: YEAR(), MONTH() and DAY(). These functions are equivalent to DATEPART() as: YEAR(date) = D... 2017-02-14, 4306🔥, 0💬

DATEDIFF() - Calculating DATETIME Value Differences in SQL Server
How To Calculate DATETIME Value Differences Using the DATEDIFF() Function in SQL Server Transact-SQL? If you want to calculate the difference between two date and time values, you can use the DATEDIFF() function in the following format: DATEDIFF(datepart, startdate, enddate) returns INT: "startdate"... 2017-02-20, 4251🔥, 0💬

Incrementing or Decrementing Parts of DATETIME Values in SQL Server
How To Increment or Decrement Parts of DATETIME Values in SQL Server Transact-SQL? If you want to increment or decrement one part of a date and time value, you can use the DATEADD() function in the following format: DATEADD(datepart, number, date) returns DATETIME: "date" - the input date "number" -... 2017-02-20, 3098🔥, 0💬

Date and Time Functions Supported by SQL Server 2005 in SQL Server
What Are the Date and Time Functions Supported by SQL Server 2005 in SQL Server Transact-SQL? SQL Server 2005 supports n character string functions: DATEADD(datepart, number, date) - Returning the same date and time value with one part added with the "number". DATEDIFF(datepart, startdate, enddate) ... 2017-02-20, 2590🔥, 0💬

Converting DATETIME and NUMERIC Values in SQL Server
Are DATETIME and NUMERIC Values Convertible in SQL Server Transact-SQL? Are datetime and numeric value convertible? The answer is yes. Here are the main rules on DATATIME and NUMERIC value conversions: During the conversion a DATETIME value will be treated as a NUMERIC value with the number of days ... 2017-02-22, 2568🔥, 0💬

Converting Integers into Date and Time Values in SQL Server
Can Integers Be Converted into Date and Time Values in SQL Server Transact-SQL? Can integers be converted into date and time values? The answer is yes. The input integer will be used as the number of days relative to the base date: Jan 1, 1900. The time of the day will be set to 0, midnight of the d... 2017-02-22, 2243🔥, 0💬

Getting Month and Weekday Names from DATATIME Values in SQL Server
How To Get Month and Weekday Names from DATETIME Values in SQL Server Transact-SQL? In DATETIME values, the month part and weekday part have names. You can use the DATENAME() function to get the month name and weekday name from a DATETIME value in the following format: DATENAME(datepart, date) retur... 2017-02-14, 2136🔥, 0💬

Subtracting a DATETIME Value from Another DATETIME Value in SQL Server
Can a DATETIME Value Be Subtracted from Another DATETIME Value in SQL Server Transact-SQL? Can a datetime value be subtracted from another datetime value? The answer is yes. The subtract operation can be performed by the subtract operator (-) as: datetime1 - datetime2: Returning a DATETIME value cal... 2017-02-20, 2106🔥, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.