potiuk commented on a change in pull request #10413:
URL: https://github.com/apache/airflow/pull/10413#discussion_r479657692
##########
File path: docs/howto/initialize-database.rst
##########
@@ -48,11 +48,46 @@ SqlAlchemy backend. We recommend using **MySQL** or
**Postgres**.
want to set a default schema for your role with a
command similar to ``ALTER ROLE username SET search_path = airflow,
foobar;``
+Setup your database to host Airflow
+-----------------------------------
+
+Create a database called ``airflow`` and a database user that Airflow
+will use to access this database.
+
+Example, for **MySQL**:
+
+.. code-block:: sql
+ CREATE DATABASE airflow CHARACTER SET utf8_mb3 COLLATE utf8_unicode_ci;
+ CREATE USER 'airflow' IDENTIFIED BY 'airflow';
+ GRANT ALL PRIVILEGES ON airflow.* TO 'airflow';
+
Review comment:
```suggestion
If you would like to use `utf8mb4` encoding, you need to add an additional
configuration option `sql_engine_collation_for_ids` set to `utf8mb3_general_ci`
- otherwise index sizes of some Airflow tables will exceed maximum index size
allowed in MySQL.
```
I still we need to add this :).
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