Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Databases SQL Basics Finding the Data You Want Filtering by Dates

Posted by Jinamai Joseph
Jinamai Joseph
1,773 Points

What should be done when "you did not select all columns" appear? All columns are selected.

.

1 Answer

Steven Parker
Steven Parker
229,744 Points
Steven Parker
Steven Parker
229,744 Points

You forgot to show your code, but I'd guess that you selected the columns by name. When all columns are required, the challenge expects you to use the "*" syntax to represent the return set.

If that's not it, show your exact code and we can give a more specific answer.