ALL_CONSTRAINTS (1) 썸네일형 리스트형 [Oracle]ALL_CONSTRAINTS Column DatatypeNULLDescription OWNER VARCHAR2(30) NOT NULL Owner of the constraint definition CONSTRAINT_NAME VARCHAR2(30) NOT NULL Name of the constraint definition CONSTRAINT_TYPE VARCHAR2(1) Type of the constraint definition: C - Check constraint on a table P - Primary key U - Unique key R - Referential integrity V - With check option, on a view O - With read only, on a view H - Hash expressi..