Update free-courses-en.md (#4717)

This commit is contained in:
If-Then-andSometimesElse 2020-10-25 15:50:49 -05:00 committed by GitHub
parent b396fb7a0b
commit d7f4c4f4d6
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -569,6 +569,7 @@
### SQL
* [Introduction to Database Queries](https://www.edx.org/course/introduction-to-database-queries) - (edX New York University) - (Aspen Olmsted)
* [SQL Tutorial](https://www.youtube.com/playlist?list=PL_RGaFnxSHWr_6xTfF2FrIw-NAOo3iWMy)
* [SQL Tutorial - Full Database Course for Beginners](https://www.youtube.com/watch?v=HXV3zeQKqGY) - (Mike Dane) - (freeCodeCamp)