Protocols in Akka TypedExplores protocols in Akka Typed, typing actors to restrict message types and modeling protocols with algebraic data types.
Relational Model: BasicsIntroduces the relational model, SQL, keys, integrity constraints, ER translation, weak entities, ISA hierarchies, and SQL vs. noSQL.
Enums: Pure DataCovers enums as a shorthand for case class hierarchies, focusing on modeling pure data.