An "operating protocol" is a step-by-step list of things to accomplish some action. It's a finite state machine for humans. Obviously, a schema isn't that; a schema is declarative, and an operating protocol is imperative.
The court definitively established that SQL schemas aren't source code in the sense imagined by the ILGA. SQL queries can be. Schemas are not.
See downthread for why a schema isn't a file format. In fact, a schema is almost the opposite of a file format.
A court will look at the term "documentation" in the ordinary sense of the word; as in, "a prose description and set of instructions".
"Associated with automated data processing operations" isn't an element in the statute; it's a description of all of the elements.