If you want to start a career in Data Science domain then you should learn Python and R.
SQL and Tableau are the other skills you should know as it will be required while performing various operations in this field.
In order to be a data scientist, you'll need to know Python. It's the lingua franca of data science and is used in every tool used by data scientists. R is a statistical programming language with a huge community of users and developers. SQL is an important language because it provides access to data stored in relational databases like PostgreSQL, MySQL and Oracle. Tableau is a visualization tool that helps you make sense of your data so you can visualize it in more ways than just charts.
So, if you are looking to learn these tools and languages, then you can check for Intellipaat’s Master's in Data Science training which will help you to learn all the required skills in data science.
Many previous learners have benefited from this course and likewise, for your reference you can view the success story of Malcolm who became a python developer.