BookintermediateFree
MySQL Crash Course
Ben Forta
MySQL Crash Course - A book resource
This link may earn us a small commission at no extra cost to you. Affiliate disclosure
More resources on Database Administration
VideoFree
PostgreSQL Administration Tutorial for Beginners
Comprehensive tutorial on PostgreSQL admin tasks from Reddit r/PostgreSQL thread
WebsiteFree
DBA Stack Exchange
Q&A for database administrators
WebsiteFree
Percona Blog
MySQL and DBA best practices
WebsiteFree
Use The Index, Luke
SQL index performance guide
VideoFree
MySQL DBA Tutorial
Practical MySQL administration guide
VideoFree
SQL Tutorial for Beginners
Comprehensive SQL tutorial covering basics to advanced queries