Create Variable
Create custom session variables that you can use in your semantic model. The custom session variables are available for use only after yo've merged the applicable sandbox into the main sandbox.
The SQL query that you define is executed by user OAX$OAC. If you're using another
schema in the query, then you must mention the schema name as prefix. You must ensure to
grant user OAX$OAC access to all the database objects used in the query.