⟩ Explain me what are Persistence Points and what causes them?
☛ Persistence is when the state of a running Orchestration is stored into SQL.
☛ It is good enough to know various shape and actions cause persistence. More specifically, it occurs: end of a transactional scope, at a send shape, at a start Orchestration shape, during dehydration, if the system shuts down expectedly or unexpectedly, or the business process suspends or ends.