When to use? 특정 attribute 의 값의 범위를 강제할 때. ex) birth_date DATE CHECK (birth_date > '1900-01-01') age INT CHECK (age between 0 and 100) How to use? 네이밍 컨벤션 __check CREATE TABLE ALTER TABLE 🔗 Reference PostgreSQL CHECK Constraint Summary: in this tutorial, you will learn about the PostgreSQL CHECK constraints and how to use them to constrain values in columns of a table based on a boolean expressio..
