Mega Code Archive
Use to reference all columns from a table
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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 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 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
2 as table of emp_type
3 /
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> alter table emps_nt add constraint emps_empno_unique
2 unique(empno)
3 /
Table altered.
SQL>
SQL> insert into dept_and_emp
2 select dept.*,
3 CAST( multiset( select empno, ename, job, mgr, hiredate, sal, comm
4 from emp
5 where emp.deptno = dept.deptno ) AS emp_tab_type )
6 from dept
7 /
4 rows created.
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
---------- -------------- ---------- ---------- --------- ---------- --------- ---------- ----------
10 ACCOUNTING 7782 CLARK MANAGER 7839 09-JUN-81 2450
10 ACCOUNTING 7839 KING PRESIDENT 17-NOV-81 5000
10 ACCOUNTING 7934 MILLER CLERK 7782 23-JAN-82 1300
20 RESEARCH 7369 SMITH CLERK 7902 17-DEC-80 800
20 RESEARCH 7566 JONES MANAGER 7839 02-APR-81 2975
20 RESEARCH 7788 SCOTT ANALYST 7566 09-DEC-82 3000
20 RESEARCH 7876 ADAMS CLERK 7788 12-JAN-83 1100
20 RESEARCH 7902 FORD ANALYST 7566 03-DEC-81 3000
30 SALES 7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300
30 SALES 7521 WARD SALESMAN 7698 22-FEB-81 1250 500
30 SALES 7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400
DEPTNO DNAME EMPNO ENAME JOB MGR HIREDATE SAL COMM
---------- -------------- ---------- ---------- --------- ---------- --------- ---------- ----------
30 SALES 7698 BLAKE MANAGER 7839 01-MAY-81 2850
30 SALES 7844 TURNER SALESMAN 7698 08-SEP-81 1500 0
30 SALES 7900 JAMES CLERK 7698 03-DEC-81 950
14 rows selected.
SQL>
SQL> drop table dept cascade constraint;
Table dropped.
SQL> drop table emp;
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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