VBA - working with data videos | Excel VBA Part 58.10 - SQL for Excel Files - Date Expressions

Posted by Andrew Gould on 06 June 2021

This video teaches you how to write calculations with dates in your SQL queries for Excel files. You'll learn how to format dates using the FormatDateTime and Format functions, how to extract parts of dates using the Year, Month, MonthName, Day, Weekday, WeekdayName and DatePart functions and how to create a date from other values using the DateSerial and DateValue functions. You'll also learn how to create calculations based on the current date using the Date and Now functions, how to calculate past or future dates using the DateAdd function and how to calculate the difference between dates using the DateDiff function.

This video has the following accompanying files:

File name Type Description
Date Expressions.xlsm Excel workbook with macros The query code
Movies.xlsx Excel workbook The source data

Click to download a zipped copy of the above files.

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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