Add definition of db_alias in Performing raw SQL queries
|Reported by:||charlax||Owned by:||nobody|
|Has patch:||yes||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
It would be useful to give a little remind of what db alias are and that they can be found in the settings file.
I'm referring to section Executing custom SQL directly of https://docs.djangoproject.com/en/dev/topics/db/sql/