사용자가 작성한 Constraints 확인방법[오라클개발자교육/오라클/ORACLE강좌/오라클교육잘하는곳/오라클교육추천/ORACLE실무교육/ORACLE/ORACLE교육/ORACLE학원/오라클실무교육]

user_constraints라는 View를 이용한다. 

[Def] 
Owner : Object소유자 
Constrinat_Name 
Constriant_Type :  C(Check Constrinats On Table) 
                  P(Priamary Key) 
                  U(Unique Key) 
                  R(Referential Integrity) 
                  V(With Check Option On a View) 
Table_Name 
Search_Condition : Text Of Search condition for Table Check 
R_Owner : Owner of Table used in Referential constraint 
R_Constraint_Name : Name of Unique Constraint Definition For Referenced Table 
Delete_Rule : The Delete Rule For a Referential Constraint: Cascade/No Action 
Status : Enabled/Disabled 

[Query] 
select * from user_constraints; 

[Result] 
----------------------------------------------------------------------------------- 
Owner    Constraint_Name  Type      Table    Search_Condition          ........ 
----------------------------------------------------------------------------------- 
TOTORO SYS_C003563 C BOARD SEQ IS NOT NULL            ........ 
TOTORO SYS_C003564 C BOARD NAME IS NOT NULL          ........ 
TOTORO SYS_C003565 C BOARD TITLE IS NOT NULL          ........ 
TOTORO SYS_C003566 C BOARD CONTENTS IS NOT NULL      ........ 
TOTORO PK_BOARD        P BOARD                          ........ 

TOTORO SYS_C001567 C CD_BRAND "BRAND_CD" IS NOT NULL    ........ 

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