DDL on Architect PARK JUN WOOhttps://www.parkjunwoo.com/tags/ddl/Recent content in DDL on Architect PARK JUN WOOHugoenSun, 24 May 2026 19:00:00 +0900Class 10. Law of Data — Agent Operable Datahttps://www.parkjunwoo.com/lecture/class-10/Sun, 24 May 2026 19:00:00 +0900https://www.parkjunwoo.com/lecture/class-10/When code is wrong, tests catch it. When data is wrong, nobody knows. Schema is the law I establish.