Hi,
To all, whoever finds following contents useful.
MIT’s 6.824 is a very good course on distributed system. Currently this course is available online:
https://pdos.csail.mit.edu/6.824/schedule.html
CMU’s Database course is also a good implementation oriented course:
https://15445.courses.cs.cmu.edu/fall2019/
For both the courses, videos, lectures material, papers, assignments and projects are available online.
You might want to make use of these good quality resources.