create table PL_DEPT( DEPTNO NUMBER not null, DNAME VARCHAR2(50), LOC VARCHAR2(50))
create table PL_EMP( EMPNO NUMBER(4), ENAME VARCHAR2(20), JOB VARCHAR2(20), MGR NUMBER(4), HIREDATE DATE, SAL NUMBER(20,3), COMM NUMBER(4), DEPTNO NUMBER(4))
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create table PL_DEPT( DEPTNO NUMBER not null, DNAME VARCHAR2(50), LOC VARCHAR2(50))
create table PL_EMP( EMPNO NUMBER(4), ENAME VARCHAR2(20), JOB VARCHAR2(20), MGR NUMBER(4), HIREDATE DATE, SAL NUMBER(20,3), COMM NUMBER(4), DEPTNO NUMBER(4))
转载于:https://my.oschina.net/liyonglee/blog/761567