sql lapd5

Problem 1

SQL> CREATE table employee2
2 AS
3 SELECT *
4 FROM EMP
5 WHERE 1=3;

Table created.

SQL> desc employee2
Name

Null? Type
—————————————————————————————————————————————————————————————————————————————————————————————————– ——– —————————————————————————————————————————————————————————————————-
EMPNO

NOT NULL NUMBER(4)
ENAME

VARCHAR2(10)
JOB

VARCHAR2(9)
MGR

NUMBER(4)
HIREDATE

DATE
SAL

NUMBER(7,2)
COMM

NUMBER(7,2)
DEPTNO

NUMBER(2)

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Problem 2

SQL> select * from employee2
2 ;

no rows selected

INSERT INTO employee2
SELECT *
FROM table1;

SELECT *
FROM employee2;

EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
———- ———- ——— ———- ——— ———- ———- ———-
7369 SMITH CLERK 7902 17-DEC-80 800 20
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30
7566 JONES MANAGER 7839 02-APR-81 2975 20
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30
7782 CLARK MANAGER 7839 09-JUN-81 2450 10
7788 SCOTT ANALYST 7566 09-DEC-82 3000 20
7839 KING PRESIDENT 17-NOV-81 5000 10
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30
7876 ADAMS CLERK 7788 12-JAN-83 1100 20

EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
———- ———- ——— ———- ——— ———- ———- ———-
7900 JAMES CLERK 7698 03-DEC-81 950 30
7902 FORD ANALYST 7566 03-DEC-81 3000 20
7934 MILLER CLERK 7782 23-JAN-82 1300 10

14 rows selected.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Problem 3

UPDATE employee2 e
SET e.job = (Select em.job
From employee2 em
where em.empno = 7788),
e.deptno = (Select em.deptno
From employee2 em
where em.empno = 7788)
WHERE e.empno = 7698;

1 row updated.

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Problem 4

DELETE
FROM employee2 e
WHERE e.deptno = (SELECT d.deptid
FROM department d
WHERE d.deptname = ‘SALES’);

0 rows deleted.

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Problem 5

UPDATE employee2 e
SET e.deptno = (Select em.deptno
From employee2 em
where em.empno = 7788)
WHERE e.empno = 7698;

1 row updated.

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Problem 6

Insert INTO employee2(empno,ename,job,mgr,hiredate,sal,comm,deptno)
VALUES (1000,’Allen’,’Clerk’,1001,’12-jan-01′,3000, 2,10);

Insert INTO employee2(empno,ename,job,mgr,hiredate,sal,comm,deptno)
VALUES (1001,’George’,’analyst’,null,’08-Sep-92′,5000,0, 10);

Insert INTO employee2(empno,ename,job,mgr,hiredate,sal,comm,deptno)
VALUES (1002,’Becker’,’Manager’,1000,’4-Nov-92′,2800,4,20);

Insert INTO employee2(empno,ename,job,mgr,hiredate,sal,comm,deptno)
VALUES (1003, ‘Bill’,’Clerk’,1002,’4-Nov-92′,3000, 0, 20);