XD-DENG commented on a change in pull request #11109:
URL: https://github.com/apache/airflow/pull/11109#discussion_r493870050
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File path: docs/howto/initialize-database.rst
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@@ -23,9 +23,8 @@ Initializing a Database Backend
If you want to take a real test drive of Airflow, you should consider
setting up a real database backend and switching to the LocalExecutor.
-As Airflow was built to interact with its metadata using the great SqlAlchemy
-library, you should be able to use any database backend supported as a
-SqlAlchemy backend. We recommend using **MySQL** or **Postgres**.
+Airflow was built to interact with its metadata using SqlAlchemy
+with **MySQL** and **Postgres** as supported backends.
Review comment:
I do like SQLIte as well.
The sentence I suggested to add is actually copied from current version of
README. So it should be consistent
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