What does Big Data learning means?

It's the knowledge about data and various tools that can be used.

• Types of Files (CSV, JSON)

• File Formats (CSV, TSV, TXT, Parquet)

• Linux Commands

• File Management Libraries (AWK, JQ, CSVKit, Grep)

• Regular Expression

• RDBMS, NoSQL

• Cloud Technologies

• Big Data Tools

• Misc Tools / Libraries

• BI Visualization (example: Tableau, PowerBI)