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SQL>
SQL> create table EMP (
2 EMPNO NUMBER(8),
3 ENAME VARCHAR2(20),
4 HIREDATE DATE,
5 SAL NUMBER(7,2),
6 DEPTNO NUMBER(6) );
Table created.
SQL>
SQL>
SQL> create table DEPT (
2 DEPTNO NUMBER(6),
3 DNAME VARCHAR2(20) );
Table created.
SQL>
SQL>
SQL> alter table EMP add constraint EMP_PK primary key (EMPNO);
Table altered.
SQL>
SQL>
SQL> alter table DEPT add constraint DEPT_PK primary key (DEPTNO);
Table altered.
SQL>
SQL> create table myTable ( x varchar2(10));
Table created.
SQL>
SQL> begin
2 for i in 1 .. 200 loop
3 insert into myTable values ('x');
4 end loop;
5 end;
6 /
PL/SQL procedure successfully completed.
SQL> commit;
Commit complete.
SQL>
SQL> insert into EMP select rownum, 'Name'||rownum, sysdate+rownum/100, dbms_random.value(7500,10000), dbms_random.value(1,10) from myTable
2 where rownum <= 500;
200 rows created.
SQL>
SQL> insert into DEPT select rownum, 'Dept'||rownum from myTable where rownum <= 10;
10 rows created.
SQL>
SQL> drop table EMP;
Table dropped.
SQL> drop table DEPT;
Table dropped.
SQL> drop table myTable;
Table dropped.
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