Oracle9i基于视图(view)的约束声名

SQL> CREATE VIEW d10_emp
  2  ( empno, ename, job,deptno,
  3  CONSTRAINT pk_d10
  4  PRIMARY KEY (ename)
  5  RELY DISABLE NOVALIDATE
  6  ) AS
  7  SELECT empno, ename, job ,deptno
  8  FROM emp
  9  WHERE deptno = 10;  

View created.

SQL> select * from d10_emp;

     EMPNO ENAME      JOB           DEPTNO
---------- ---------- --------- ----------
      7782 CLARK      MANAGER           10
      7839 KING       PRESIDENT         10
      7934 MILLER     CLERK             10

SQL> select CONSTRAINT_NAME,TABLE_NAME,CONSTRAINT_TYPE from user_constraints
  2  where table_name='D10_EMP';

CONSTRAINT_NAME                TABLE_NAME                     C
------------------------------ ------------------------------ -
PK_D10                         D10_EMP                        P 

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SQL> insert into d10_emp values(7777,'EYGLE','MANAGER',10);

1 row created.

SQL> insert into d10_emp values(8888,'EYGLE','MANAGER',10);

1 row created.

SQL> select * from d10_emp;

     EMPNO ENAME      JOB           DEPTNO
---------- ---------- --------- ----------
      7782 CLARK      MANAGER           10
      7839 KING       PRESIDENT         10
      7934 MILLER     CLERK             10
      7777 EYGLE      MANAGER           10
      8888 EYGLE      MANAGER           10 

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