SQL Server Performance Tuning Part 1 - Udemy

This course is designed for any student that is interested in learning about how to fine tune their SQL Server and databases.  Also, developers, SQL DBAs, IT staff and Network Administration

At the end of this course, the student will have extensive knowledge in the following areas:

Indexes, wait stats, fill factor, fragmentation, data and log file allocation, tempdb configuration, common performance issues, blocking, locking, database tuning advisor, execution plan, caching, virtualization and much more

You should have a good understanding of SQL Server Administration.  I would highly recommend the following courses: Learn T-SQL from Scratch, SQL Administration part 1, SQL Administration part 2, SQL Administration part 3