-
Notifications
You must be signed in to change notification settings - Fork 0
/
PRACTICA TEMA 11.txt
88 lines (36 loc) · 2 KB
/
PRACTICA TEMA 11.txt
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
------------------------------------------------------------------------------------------------------------------------------------------------------------
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
------------------------------------------------------------------------------------------------------------------------------------------------------------
Practica 11:
- Parte 1:
1. CREATE VIEW EMPLOYEES_VU AS
SELECT EMPLOYEE_ID , FIRST_NAME AS EMPLOYEE, DEPARTMENT_ID
FROM EMPLOYEES;
2. SELECT *
FROM EMPLOYEES_VU;
3. SELECT EMPLOYEE, DEPARTMENT_ID
FROM EMPLOYEES_VU;
4. CREATE VIEW DEPT50 AS
SELECT EMPNO AS EMPNO, ENAME AS EMPLOYEE, DEPTNO AS DEPTNO
FROM EMP
WHERE DEPTNO = 50;
5. DESCRIBE DEPT50;
6. UPDATE EMPLOYEES
SET DEPARTMENT_ID = 80
WHERE LAST_NAME = 'Matos';
- Parte 2:
7. CREATE SEQUENCE DEPT_ID_SEQ
START WITH 200
MAXVALUE 1000
INCREMENT BY 10;
INSERT INTO DEPT (DEPTNO, DNAME, LOC) VALUES (DEPT_ID_SEQ.NEXTVAL, 'Ventas', 'Nueva York');
8. INSERT INTO DEPT (DEPTNO, DNAME, LOC) VALUES (DEPT_ID_SEQ.NEXTVAL, 'Education', 'Cualquier ubicación');
INSERT INTO DEPT (DEPTNO, DNAME, LOC) VALUES (DEPT_ID_SEQ.NEXTVAL, 'Administration', 'Cualquier ubicación');
COMMIT;
9. CREATE INDEX idx_name ON DEPT(NAME);
10. CREATE SYNONYM EMP FOR EMPLOYEES;
SELECT *
FROM EMP;
------------------------------------------------------------------------------------------------------------------------------------------------------------
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
------------------------------------------------------------------------------------------------------------------------------------------------------------