See it is one thing that the tool you have been taught becomes obsolete and quite another that you are not even familiar with the concept of http, vcs, and sql.

See it is one thing that the tool you have been taught becomes obsolete and quite another that you are not even familiar with the concept of http, vcs, and sql. It is far more easier for somebody who knows mysql to understand and come upto speed on a postgres/mongodb than somebody who is not at all exposed to these concepts. Moreover course curriculum needs to be updated every 2-3 years when such courses are taught to keep them relevant