Use * to reference column with user-defined type : Select « Object Oriented Database « Oracle PL / SQL






Use * to reference column with user-defined type

 
SQL>
SQL>
SQL> CREATE TABLE EMP (EMPNO NUMBER(4) NOT NULL,
  2                    ENAME VARCHAR2(10),
  3                    JOB VARCHAR2(9),
  4                    MGR NUMBER(4),
  5                    HIREDATE DATE,
  6                    SAL NUMBER(7, 2),
  7                    COMM NUMBER(7, 2),
  8                    DEPTNO NUMBER(2));

Table created.

SQL>
SQL> INSERT INTO EMP VALUES (7369, 'SMITH', 'CLERK',    7902, TO_DATE('17-DEC-1980', 'DD-MON-YYYY'), 800, NULL, 20);

1 row created.

SQL> INSERT INTO EMP VALUES (7499, 'ALLEN', 'SALESMAN', 7698, TO_DATE('20-FEB-1981', 'DD-MON-YYYY'), 1600, 300, 30);

1 row created.

SQL> INSERT INTO EMP VALUES (7521, 'WARD',  'SALESMAN', 7698, TO_DATE('22-FEB-1981', 'DD-MON-YYYY'), 1250, 500, 30);

1 row created.

SQL> INSERT INTO EMP VALUES (7566, 'JONES', 'MANAGER',  7839, TO_DATE('2-APR-1981',  'DD-MON-YYYY'), 2975, NULL, 20);

1 row created.

SQL> INSERT INTO EMP VALUES (7654, 'MARTIN', 'SALESMAN', 7698,TO_DATE('28-SEP-1981', 'DD-MON-YYYY'), 1250, 1400, 30);

1 row created.

SQL> INSERT INTO EMP VALUES (7698, 'BLAKE', 'MANAGER', 7839,TO_DATE('1-MAY-1981', 'DD-MON-YYYY'), 2850, NULL, 30);

1 row created.

SQL> INSERT INTO EMP VALUES (7782, 'CLARK', 'MANAGER', 7839,TO_DATE('9-JUN-1981', 'DD-MON-YYYY'), 2450, NULL, 10);

1 row created.

SQL> INSERT INTO EMP VALUES (7788, 'SCOTT', 'ANALYST', 7566,TO_DATE('09-DEC-1982', 'DD-MON-YYYY'), 3000, NULL, 20);

1 row created.

SQL> INSERT INTO EMP VALUES (7839, 'KING', 'PRESIDENT', NULL,TO_DATE('17-NOV-1981', 'DD-MON-YYYY'), 5000, NULL, 10);

1 row created.

SQL> INSERT INTO EMP VALUES (7844, 'TURNER', 'SALESMAN', 7698,TO_DATE('8-SEP-1981', 'DD-MON-YYYY'), 1500, 0, 30);

1 row created.

SQL> INSERT INTO EMP VALUES (7876, 'ADAMS', 'CLERK', 7788,TO_DATE('12-JAN-1983', 'DD-MON-YYYY'), 1100, NULL, 20);

1 row created.

SQL> INSERT INTO EMP VALUES (7900, 'JAMES', 'CLERK', 7698,TO_DATE('3-DEC-1981', 'DD-MON-YYYY'), 950, NULL, 30);

1 row created.

SQL> INSERT INTO EMP VALUES (7902, 'FORD', 'ANALYST', 7566,TO_DATE('3-DEC-1981', 'DD-MON-YYYY'), 3000, NULL, 20);

1 row created.

SQL> INSERT INTO EMP VALUES (7934, 'MILLER', 'CLERK', 7782,TO_DATE('23-JAN-1982', 'DD-MON-YYYY'), 1300, NULL, 10);

1 row created.

SQL>
SQL> CREATE TABLE DEPT (DEPTNO NUMBER(2),DNAME VARCHAR2(14),LOC VARCHAR2(13) );

Table created.

SQL>
SQL> INSERT INTO DEPT VALUES (10, 'ACCOUNTING', 'NEW YORK');

1 row created.

SQL> INSERT INTO DEPT VALUES (20, 'RESEARCH', 'DALLAS');

1 row created.

SQL> INSERT INTO DEPT VALUES (30, 'SALES', 'CHICAGO');

1 row created.

SQL> INSERT INTO DEPT VALUES (40, 'OPERATIONS', 'BOSTON');

1 row created.

SQL>
SQL> create or replace type emp_type
  2    as object
  3    (empno       number(4),
  4     ename       varchar2(10),
  5     job         varchar2(9),
  6     mgr         number(4),
  7     hiredate    date,
  8     sal         number(7, 2),
  9     comm        number(7, 2)
 10    );
 11  /

Type created.

SQL>
SQL> create or replace type emp_tab_type as table of emp_type;
  2  /

Type created.

SQL> create table dept_and_emp
  2    (deptno number(2) primary key,
  3     dname     varchar2(14),
  4     loc       varchar2(13),
  5     emps      emp_tab_type
  6    )
  7    nested table emps store as emps_nt;

Table created.

SQL>
SQL>
SQL> insert into dept_and_emp
  2    select dept.*,
  3       CAST( multiset( select empno, ename, job, mgr, hiredate, sal, comm from emp ) AS emp_tab_type )
  4      from dept
  5  /

4 rows created.

SQL>
SQL>
SQL> select d.deptno, d.dname, emp.*
  2    from dept_and_emp D, table(d.emps) emp
  3  /
    DEPTNO DNAME               EMPNO ENAME      JOB              MGR HIREDATE                    SAL    COMM
---------- -------------- ---------- ---------- --------- ---------- -------------------- ---------- ----------

    DEPTNO DNAME               EMPNO ENAME      JOB              MGR HIREDATE                    SAL    COMM
---------- -------------- ---------- ---------- --------- ---------- -------------------- ---------- ----------
        10 ACCOUNTING           7369 SMITH      CLERK           7902 17-DEC-1980 00:00:00        800
        10 ACCOUNTING           7499 ALLEN      SALESMAN        7698 20-FEB-1981 00:00:00       1600        300
        10 ACCOUNTING           7521 WARD       SALESMAN        7698 22-FEB-1981 00:00:00       1250        500
        10 ACCOUNTING           7566 JONES      MANAGER         7839 02-APR-1981 00:00:00       2975
        10 ACCOUNTING           7654 MARTIN     SALESMAN        7698 28-SEP-1981 00:00:00       1250       1400
        10 ACCOUNTING           7698 BLAKE      MANAGER         7839 01-MAY-1981 00:00:00       2850
        10 ACCOUNTING           7782 CLARK      MANAGER         7839 09-JUN-1981 00:00:00       2450
        10 ACCOUNTING           7788 SCOTT      ANALYST         7566 09-DEC-1982 00:00:00       3000
        10 ACCOUNTING           7839 KING       PRESIDENT            17-NOV-1981 00:00:00       5000
        10 ACCOUNTING           7844 TURNER     SALESMAN        7698 08-SEP-1981 00:00:00       1500          0
        10 ACCOUNTING           7876 ADAMS      CLERK           7788 12-JAN-1983 00:00:00       1100
        10 ACCOUNTING           7900 JAMES      CLERK           7698 03-DEC-1981 00:00:00        950
        10 ACCOUNTING           7902 FORD       ANALYST         7566 03-DEC-1981 00:00:00       3000
        10 ACCOUNTING           7934 MILLER     CLERK           7782 23-JAN-1982 00:00:00       1300
        20 RESEARCH             7369 SMITH      CLERK           7902 17-DEC-1980 00:00:00        800
        20 RESEARCH             7499 ALLEN      SALESMAN        7698 20-FEB-1981 00:00:00       1600        300
        20 RESEARCH             7521 WARD       SALESMAN        7698 22-FEB-1981 00:00:00       1250        500
        20 RESEARCH             7566 JONES      MANAGER         7839 02-APR-1981 00:00:00       2975
        20 RESEARCH             7654 MARTIN     SALESMAN        7698 28-SEP-1981 00:00:00       1250       1400
        20 RESEARCH             7698 BLAKE      MANAGER         7839 01-MAY-1981 00:00:00       2850
        20 RESEARCH             7782 CLARK      MANAGER         7839 09-JUN-1981 00:00:00       2450
        20 RESEARCH             7788 SCOTT      ANALYST         7566 09-DEC-1982 00:00:00       3000
        20 RESEARCH             7839 KING       PRESIDENT            17-NOV-1981 00:00:00       5000
        20 RESEARCH             7844 TURNER     SALESMAN        7698 08-SEP-1981 00:00:00       1500          0
        20 RESEARCH             7876 ADAMS      CLERK           7788 12-JAN-1983 00:00:00       1100
        20 RESEARCH             7900 JAMES      CLERK           7698 03-DEC-1981 00:00:00        950
        20 RESEARCH             7902 FORD       ANALYST         7566 03-DEC-1981 00:00:00       3000
        20 RESEARCH             7934 MILLER     CLERK           7782 23-JAN-1982 00:00:00       1300
        30 SALES                7369 SMITH      CLERK           7902 17-DEC-1980 00:00:00        800
        30 SALES                7499 ALLEN      SALESMAN        7698 20-FEB-1981 00:00:00       1600        300
        30 SALES                7521 WARD       SALESMAN        7698 22-FEB-1981 00:00:00       1250        500
        30 SALES                7566 JONES      MANAGER         7839 02-APR-1981 00:00:00       2975
        30 SALES                7654 MARTIN     SALESMAN        7698 28-SEP-1981 00:00:00       1250       1400
        30 SALES                7698 BLAKE      MANAGER         7839 01-MAY-1981 00:00:00       2850
        30 SALES                7782 CLARK      MANAGER         7839 09-JUN-1981 00:00:00       2450
        30 SALES                7788 SCOTT      ANALYST         7566 09-DEC-1982 00:00:00       3000
        30 SALES                7839 KING       PRESIDENT            17-NOV-1981 00:00:00       5000
        30 SALES                7844 TURNER     SALESMAN        7698 08-SEP-1981 00:00:00       1500          0
        30 SALES                7876 ADAMS      CLERK           7788 12-JAN-1983 00:00:00       1100
        30 SALES                7900 JAMES      CLERK           7698 03-DEC-1981 00:00:00        950
        30 SALES                7902 FORD       ANALYST         7566 03-DEC-1981 00:00:00       3000
        30 SALES                7934 MILLER     CLERK           7782 23-JAN-1982 00:00:00       1300
        40 OPERATIONS           7369 SMITH      CLERK           7902 17-DEC-1980 00:00:00        800
        40 OPERATIONS           7499 ALLEN      SALESMAN        7698 20-FEB-1981 00:00:00       1600        300
        40 OPERATIONS           7521 WARD       SALESMAN        7698 22-FEB-1981 00:00:00       1250        500
        40 OPERATIONS           7566 JONES      MANAGER         7839 02-APR-1981 00:00:00       2975
        40 OPERATIONS           7654 MARTIN     SALESMAN        7698 28-SEP-1981 00:00:00       1250       1400
        40 OPERATIONS           7698 BLAKE      MANAGER         7839 01-MAY-1981 00:00:00       2850
        40 OPERATIONS           7782 CLARK      MANAGER         7839 09-JUN-1981 00:00:00       2450
        40 OPERATIONS           7788 SCOTT      ANALYST         7566 09-DEC-1982 00:00:00       3000
        40 OPERATIONS           7839 KING       PRESIDENT            17-NOV-1981 00:00:00       5000
        40 OPERATIONS           7844 TURNER     SALESMAN        7698 08-SEP-1981 00:00:00       1500          0
        40 OPERATIONS           7876 ADAMS      CLERK           7788 12-JAN-1983 00:00:00       1100
        40 OPERATIONS           7900 JAMES      CLERK           7698 03-DEC-1981 00:00:00        950
        40 OPERATIONS           7902 FORD       ANALYST         7566 03-DEC-1981 00:00:00       3000
        40 OPERATIONS           7934 MILLER     CLERK           7782 23-JAN-1982 00:00:00       1300

56 rows selected.

SQL>
SQL> drop table emp cascade constraints;

Table dropped.

SQL> drop table dept cascade constraints;

Table dropped.

SQL> drop table dept_and_emp;

Table dropped.

SQL> drop type emp_tab_type;

Type dropped.

SQL> drop type emp_type;

Type dropped.

SQL> --

 








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