ObjectivesTo learn basic concepts of SQL(Structral Query Language)Data definition for SQLData retrieval queriesIntroduction to SQLHistoryInitially developed by IBM ResearchSpecial purpose declarative programming languageDB를 다루는 특별한 용도declarative: '내가 원하는 게 무엇이다' ↔ procedural: step-by-stepDesigned for IBM's first DBMS, System ROriginally named SEQUEL(Structured English Query Language)Renamed as S..