Watch The Complete Sql Bootcamp 2020: Go From Zero To Hero -

As a 2020 course, it does not cover modern cloud-based SQL engines (BigQuery, Redshift, Snowflake) or advanced performance tuning (indexing strategies, query execution plans). Also, it focuses exclusively on querying—there is no instruction on database administration, user permissions, or transaction control (commits, rollbacks). For a pure "analyst" track, that is fine; for an aspiring DBA, it is incomplete.

Another strength is the . Jose Portilla explains joins visually using Venn diagrams and provides side-by-side comparisons of result sets before and after applying a function. The course also emphasizes debugging—showing common mistakes (like forgetting to GROUP BY all non-aggregated columns) and how to fix them. watch the complete sql bootcamp 2020: go from zero to hero

The Complete SQL Bootcamp 2020: Go from Zero to Hero succeeds precisely because it limits its scope. It does not try to teach Python, R, Tableau, or database design. Instead, it offers a focused, repetitive, exercise-driven path to fluency in the language of data. For anyone who feels intimidated by a blank query editor, this course provides the map, the compass, and the encouragement needed to write that first SELECT statement—and then keep going until complex joins and window functions feel like second nature. In the end, it transforms a zero into a hero not by magic, but by methodical practice. If you’d like a summary of the key SQL commands from that course (with examples), or a comparison to a newer SQL course, just let me know. As a 2020 course, it does not cover