Problem solve
Get help with specific problems with your technologies, process and projects.
Calculating the difference in minutes between two datetime columns
I would like to calculate the difference in minutes between two datetime columns. Sometimes there will not be a second datetime for comparison, so I need to handle that. I am currently performing a simple subtraction and storing the result as datetime, which is accurate but yields the result as time since 1900.
Use the DATEDIFF function e.g.
Continue Reading This Article
Enjoy this article as well as all of our content, including E-Guides, news, tips and more.
Step 2 of 2:
select datediff(mi,Date1, IsNull(Date2, Date1)) from Table1
For More Information
- Dozens more answers to tough SQL Server questions from Tony Bain are available here.
- The Best Microsoft SQL Server Web Links: tips, tutorials, scripts, and more.
- The Best SQL Web Links
- Have a SQL Server tip to offer your fellow DBAs and developers? The best tips submitted will receive a cool prize. Submit your tip today!
- Ask your technical SQL Server questions -- or help out your peers by answering them -- in our live discussion forums.
- Ask the Experts yourself: Our SQL, database design, Oracle, SQL Server, DB2, metadata, object-oriented and data warehousing gurus are waiting to answer your toughest questions.
Start the conversation
0 comments