Date and Time Calculations Made Easy with EOMONTH, DATEDIFF, and DATEADD
Learn how to work with dates and calculate particular dates or elapsed time periods with some of the functions available in SQL Server.
2025-05-09
2,713 reads
DATEADD
2025-03-03
474 reads
Add and Subtract Dates using DATEADD in SQL Server
Date manipulation is a common scenario when retrieving or storing data in a Microsoft SQL Server database. There are several date functions (DATENAME, DATEPART, DATEADD, DATEDIFF, etc.) that are available and in this tutorial, we look at how to use the DATEADD function in SQL queries, stored procedures, T-SQL scripts, etc. for OLTP databases as well as data warehouse and data science projects.
2025-01-27
2020-02-27
23,342 reads
Performance Surprises and Assumptions : DATEADD()
Aaron Bertrand explores yet another scenario where a date/time function seems to cause the optimizer to behave unexpectedly.
2016-05-12
4,956 reads
Add and Subtract Dates using DATEADD in SQL Server
Date manipulation is a common scenario when retrieving or storing data in a SQL Server database. There are several functions that are available and in this tip we look at how to use the DATEADD function.
2011-10-14
3,998 reads
Last month Name and Year in a SSRS expression
Show the last month and year in a expression, based on a parameter called asofdate. Must format Date Month Year
2011-11-08 (first published: 2011-10-11)
9,076 reads
Blogs
The Book of Redgate: We Value Teams
By Steve Jones
This value is something that I still hear today: our best work is done...
Troubleshooting TempDB Log Full Errors When SSMS Won’t Connect
By gbargsley
Have you ever received the dreaded error from SQL Server that the TempDB log...
Accelerating AI with Confidence: Why Microsoft Purview is Key to Responsible Innovation
By Chris Yates
Artificial intelligence is no longer a distant concept. It is here, embedded in the...
Forums
Planning for tomorrow, today - database migrations
Comments posted to this topic are about the item Planning for tomorrow, today -...
Bottlenecks on SQL Server performance
We have a BI-application that connects to input tables on a SQL Server 2022...
Is there some good routines for updating SQL Server database objects with GitHub
At work we've been getting better at writing what's known as GitHub Actions (workflows,...
Question of the Day
The Tightly Linked View
I try to run this code on SQL Server 2022. All the objects exist in the database.
CREATE OR ALTER VIEW OrderShipping
AS
SELECT cl.CityNameID,
cl.CityName,
o.OrderID,
o.Customer,
o.OrderDate,
o.CustomerID,
o.cityId
FROM dbo.CityList AS cl
INNER JOIN dbo.[Order] AS o ON o.cityId = cl.CityNameID
GO
CREATE OR ALTER FUNCTION GetShipCityForOrder
(
@OrderID INT
)
RETURNS VARCHAR(50)
WITH SCHEMABINDING
AS
BEGIN
DECLARE @city VARCHAR(50);
SELECT @city = os.CityName
FROM dbo.OrderShipping AS os
WHERE os.OrderID = @OrderID;
RETURN @city;
END;
go
What is the result? See possible answers