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CREATE TABLE DEPT (
DEPTNO NUMBER PRIMARY KEY,
DNAME VARCHAR2(50),
LOC VARCHAR2(50)
);
-- Inserting sample data into DEPT table
INSERT INTO DEPT (DEPTNO, DNAME, LOC)
VALUES (10, 'ACCOUNTING', 'NEW YORK');
INSERT INTO DEPT (DEPTNO, DNAME, LOC)
VALUES (20, 'RESEARCH', 'DALLAS');
INSERT INTO DEPT (DEPTNO, DNAME, LOC)
VALUES (30, 'SALES', 'CHICAGO');
INSERT INTO DEPT (DEPTNO, DNAME, LOC)
VALUES (40, 'OPERATIONS', 'BOSTON');
-- Creating the EMP table with additional Job data
CREATE TABLE EMP (
EMP_ID INT PRIMARY KEY,
EMP_NAME VARCHAR(50),
EMP_DEPARTMENT NUMBER,
EMP_SALARY DECIMAL(10, 2),
EMP_JOB VARCHAR(50),
FOREIGN KEY (EMP_DEPARTMENT) REFERENCES DEPT (DEPTNO)
);
-- Inserting sample data into EMP table
INSERT INTO EMP (EMP_ID, EMP_NAME, EMP_DEPARTMENT, EMP_SALARY, EMP_JOB)
VALUES
(1, 'John Doe', 30, 60000.00, 'Software Developer'),
(2, 'Jane Smith', 20, 50000.00, 'HR Manager'),
(3, 'Michael Johnson', 40, 75000.00, 'Financial Analyst'),
(4, 'Emily Brown', 10, 55000.00, 'Marketing Specialist'),
(5, 'William Davis', 30, 62000.00, 'Network Engineer');
-- Creating the v_EMP view
CREATE VIEW v_EMP AS
SELECT
EMP.EMP_ID AS Emp_ID,
EMP.EMP_DEPARTMENT AS Dept_ID,
EMP.EMP_NAME AS Emp_Name,
EMP.EMP_JOB AS Job,
EMP.EMP_SALARY AS Emp_Salary,
DEPT.DNAME AS Dept_Name
FROM
EMP
JOIN
DEPT ON EMP.EMP_DEPARTMENT = DEPT.DEPTNO;
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