SQL 1

CREATE TABLE dept(
  deptno     NUMBER(2,0),
  dname      varchar2(14),
  loc        varchar2(13),
  CONSTRAINT pk_dept PRIMARY KEY (deptno)
)
------------------------------
CREATE TABLE emp(
  empno    NUMBER(4,0),
  ename    varchar2(10),
  job      varchar2(9),
  mgr      NUMBER(4,0),
  hiredate DATE,
  sal      NUMBER(7,2),
  comm     NUMBER(7,2),
  deptno   NUMBER(2,0),
  CONSTRAINT pk_emp PRIMARY KEY (empno),
  CONSTRAINT fk_deptno FOREIGN KEY (deptno) REFERENCES dept (deptno)
)
-------------------------------------------------
INSERT INTO DEPT (DEPTNO, DNAME, LOC)
VALUES(10, 'ACCOUNTING', 'NEW YORK')
--------------------------------------------------------
INSERT INTO dept
VALUES(20, 'RESEARCH', 'DALLAS')
--------------------------------------------------------------------
INSERT INTO dept
VALUES(30, 'SALES', 'CHICAGO')
----------------------------------------------------------------------
INSERT INTO dept
VALUES(40, 'OPERATIONS', 'BOSTON')
-----------------------------------------------------------------------
INSERT INTO emp
VALUES(
 7839, 'KING', 'PRESIDENT', NULL,
 to_date('17-11-1981','dd-mm-yyyy'),
 5000, NULL, 10
)
-----------------------------------------------------------------------------
INSERT INTO emp
VALUES(
 7698, 'BLAKE', 'MANAGER', 7839,
 to_date('1-5-1981','dd-mm-yyyy'),
 2850, NULL, 30
)
--------------------------------------------------------------------------------------
INSERT INTO emp
VALUES(
 7782, 'CLARK', 'MANAGER', 7839,
 to_date('9-6-1981','dd-mm-yyyy'),
 2450, NULL, 10
)
--------------------------------------------------------------------------
INSERT INTO emp
VALUES(
 7566, 'JONES', 'MANAGER', 7839,
 to_date('2-4-1981','dd-mm-yyyy'),
 2975, NULL, 20
)
-----------------------------------------------------------------------
INSERT INTO emp
VALUES(
 7788, 'SCOTT', 'ANALYST', 7566,
 to_date('13-JUL-87','dd-mm-rr') - 85,
 3000, NULL, 20
)
------------------------------------------------------------------------------
INSERT INTO emp
VALUES(
 7902, 'FORD', 'ANALYST', 7566,
 to_date('3-12-1981','dd-mm-yyyy'),
 3000, NULL, 20
)
-----------------------------------------------------------------------------------------
INSERT INTO emp
VALUES(
 7369, 'SMITH', 'CLERK', 7902,
 to_date('17-12-1980','dd-mm-yyyy'),
 800, NULL, 20
)
------------------------------------------------------------------------------------------------
INSERT INTO emp
VALUES(
 7499, 'ALLEN', 'SALESMAN', 7698,
 to_date('20-2-1981','dd-mm-yyyy'),
 1600, 300, 30
)
-----------------------------------------------------------------------------------------------
INSERT INTO emp
VALUES(
 7521, 'WARD', 'SALESMAN', 7698,
 to_date('22-2-1981','dd-mm-yyyy'),
 1250, 500, 30
)
------------------------------------------------------------------------------------------------
INSERT INTO emp
VALUES(
 7654, 'MARTIN', 'SALESMAN', 7698,
 to_date('28-9-1981','dd-mm-yyyy'),
 1250, 1400, 30
)
------------------------------------------------------------------------------------------
INSERT INTO emp
VALUES(
 7844, 'TURNER', 'SALESMAN', 7698,
 to_date('8-9-1981','dd-mm-yyyy'),
 1500, 0, 30
)
-----------------------------------------------------------------------------------------------
INSERT INTO emp
VALUES(
 7876, 'ADAMS', 'CLERK', 7788,
 to_date('13-JUL-87', 'dd-mm-rr') - 51,
 1100, NULL, 20
)
----------------------------------------------------------------------------------------
INSERT INTO emp
VALUES(
 7900, 'JAMES', 'CLERK', 7698,
 to_date('3-12-1981','dd-mm-yyyy'),
 950, NULL, 30
)
---------------------------------------------------------------------------------------
INSERT INTO emp
VALUES(
 7934, 'MILLER', 'CLERK', 7782,
 to_date('23-1-1982','dd-mm-yyyy'),
 1300, NULL, 10
)