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
3,909 reads
DATEADD
2025-03-03
508 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
23,692 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)
9,179 reads
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Question of the Day
ORDER BY alias
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers