Merge 629e03350c into 35d21565a9

* Add files via upload

* Update _config.yml

* Add files via upload

* Update default.html

* Update _config.yml

* Update default.html

* Update _config.yml

* Update default.html

* Update default.html

* Update default.html

* Update default.html

* Update default.html

* Delete _layout directory

* Update _config.yml

* Add files via upload

* Update head-custom.html

* Delete _includes/head-custom-google-analytics.html

* Update _config.yml

* Update _config.yml

_includes/head-custom.html

@@ -0,0 +1,9 @@
+<!-- start custom head snippets, customize with your own _includes/head-custom.html file -->
+
+<!-- Setup Google Analytics -->
+
+
+<!-- You can set your favicon here -->
+<link rel="shortcut icon" type="image/x-icon" href="{{ '/favicon.ico' | relative_url }}">
+
+<!-- end custom head snippets -->

courses/free-courses-en.md

@@ -591,10 +591,12 @@
 #### SQL
 
 * [CS50’s Introduction to Databases with SQL](https://cs50.harvard.edu/sql/2023/) - Carter Zenke, David J. Malan (Harvard OpenCourseWare and edX)
+* [Databases with SQL and Python](https://hyperskill.org/courses/30-databases-with-sql-and-python) - Hyperskill *(registration required)*
 * [Getting Started with SQL for Application Developers](https://university.cockroachlabs.com/courses/course-v1:crl+getting-started-with-sql-for-app-devs+self-paced/about) - Wade Waldron (Cockroach Labs Inc.) *(email address required)*
 * [Introduction to Database Queries](https://www.edx.org/course/introduction-to-database-queries) - Aspen Olmsted (edX New York University)
 * [Introduction to Databases and SQL Querying](https://www.udemy.com/course/introduction-to-databases-and-sql-querying/) - Rakesh Gopalakrishnan (Udemy)
 * [Introduction to Distributed SQL and CockroachDB](https://university.cockroachlabs.com/courses/course-v1:crl+intro-to-distributed-sql-and-cockroachdb+self-paced/about) - Lauren Hirata Singh and Will Cross (Cockroach Labs Inc.) *(email address required)*
+* [Introduction to SQL](https://hyperskill.org/courses/31-introduction-to-sql) - Hyperskill *(registration required)*
 * [Learn SQL](https://popsql.com/learn-sql) - PopSQL
 * [Learn SQL](https://www.sololearn.com/learning/1060) - *registration required*
 * [Learn SQL: SQL Tutorial for Beginners](https://www.programiz.com/sql) - Programiz