You will learn here C#,Java and Python from basic level to advance level.
Database is most key component of any real application, you will learn relational databases like SqlServer,MySql and Sqlite.
in today's world day by day data increases exponentialy and relational databases not able to handle that much of data complexity so need of graph Databases like Neo4j, OrientDB.
Most rapidly increase in Industry but you need to understand where i have to start so this is your place to start.
You will get NLP, Deep Learning, Reinforcement Learning and Graphical Models along with a solid foundation in Predictive Analytics and Statistics