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Last tested: Aug 7, 2020
These tables are created during connection tests for a database. These tables should be dropped immediately after the tests are completed.
If a user is seeing these tables on the scratch schema a bit after their connection test, it is likely that the looker user on their DB or the PDT user does not have the proper permissions to drop these tables. We will want to reference the specific database configuration for instructions on the permissions needed for the DB user.