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


select*from sale where customerId in (select customerId from customer where gender='f'); I am confuse here!

Hello ! I would like to know why is not returning all the female customers. thank you , especially for Steve how help me so much!

1 Answer

Steven Parker
Steven Parker
229,967 Points

The field comparison might be case-sensitive.

You may need 'F' instead of 'f'. But for me to be sure, you need to share a link to the course page you're working with.

Thanks very much Steven, was case-sensitive.!!!!!!!!!!!!!!!