Compendium are topical resources intended to be kept up to date instead of a stream-of-consciousness of notes.
Event Sourcing
Event Sourcing departs from traditional state-centric data management. Instead of treating the current state of entities as the primary source of truth, Event Sourcing recognizes that the sequence of changes—the events—contains richer, more complete information about what actually happened in your system. Consider the difference between a bank account balance and a bank statement. Traditional CRUD systems store the equivalent of just the current balance: Account 12345 has $1,247.83. Event Sourcing stores the complete statement: ...