You may not need a course. SQLite publishes a very useful guide on the query planner which goes over most of what you need to know with respect to indexes: ht

You may not need a course. SQLite publishes a very useful guide on the query planner which goes over most of what you need to know with respect to indexes: https://www.sqlite.org/optoverview.html https://www.sqlite.org/optoverview.html