Selecting data in SQL videos | SQL Queries Part 9 - Calculations with Dates

Posted by Andrew Gould on 21 June 2012

Learn how to perform calculations with dates in Microsoft SQL Server queries. This video teaches you how to create calculated columns in a query involving dates, including how to format dates using the CONVERT function, how to use the DATENAME function to create your own custom date formats, and how to work out the amount of time that has passed between two dates. The final part of the video teaches you how to calculate age in years accurately in SQL Server.

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Making a  video bigger

You can increase the size of your video to make it fill the screen like this:

View full screen

Play your video (the icons shown won't appear until you do), then click on the full screen icon which appears as shown at its bottom right-hand corner.

 

When you've finished viewing a video in full screen mode, just press the Esc key to return to normal view.

Improving the quality of a video

To improve the quality of a video, first click on the Settings icon:

Settings icon

Make sure you're playing your video so that the icons shown appear, then click on this gear icon at the bottom right-hand corner.

 

Choose to change the video quality:

Video quality

Click on Quality as shown to bring up the submenu.

 

The higher the number you choose, the better will be your video quality (but the slower the connection speed):

Connection speed

Don't choose the HD option unless you have a fast enough connection speed to support it!

 

Is your Wise Owl speaking too slowly (or too quickly)?  You can also use the Settings menu above to change your playback speed.

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