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 Querying Relational Databases Joining Table Data with SQL Inner Joins

Sarah Freitas
Sarah Freitas
2,469 Points
Posted by Sarah Freitas
Sarah Freitas
2,469 Points

Inner Join

What's the difference?

SELECT * FROM Model m INNER JOIN Make k ON m.MakeID = k.MakeID; 
SELECT * FROM Model m, Make k WHERE m.MakeID = k.MakeID;

1 Answer

Steven Parker
Steven Parker
231,236 Points
Steven Parker
Steven Parker
231,236 Points

The difference is the syntax itself.

The comma syntax is older (from 1989) but still supported in most SQL engines. The JOIN keyword syntax is the current standard (since 1992).