Practice AWS using free Tier account. Explained the first steps you need to learn AWS at your home using the book I used.
Cloud computing and DevOps top differences useful to read for AWS and DevOps engineers
SQL count(*) in query is little tricky. This post explains why you need to use group by along with count aggregate function
Learn C-language quickly and highly useful examples for campus interviews, placements and recruitment.
Popular machine learning tools to develop machine learning algorithms.
In this post I have given top online resources where you can do practice of MySQL without install it on your laptop.
Useful agile tutorial for writing certification test on agile and scrum.
Top skills you can learn and get hands-on-experience for better jobs. The main point is no need of certification.