"Describe to me the columns, in simple non-programmatic english, and what the purpose of the table is for, for each table related to parking tickets"
Essentially a human to schema DSL That is only technically decipherable by the admin of the database. Then you're not having actual code and only the admin could decipher.
But yah, as you said, if the humans don't want to disclose their foibles, how the request is filled is technically meaningless.