This document contains SQL queries and commands for a database exercise. It includes queries to select data from the departments and employees tables, with various columns and formatting. It also includes a long query that concatenates all columns from the employees table into a single column with comma separated values.

1. MUHAMMAD MU’IZUDDIN BIN HJ MUHSINON
SN097083
LAB 1 - DATABASE EXERCISE
-> ANSWER QUESTION 1
DESCRIBE DEPARTMENTS;
SELECT * FROM departments;
-> ANSWER QUESTION 2
SELECT * FROM employees;
-> ANSWER QUESTION 3
SELECT EMPLOYEE_ID, LAST_NAME, JOB_ID, HIRE_DATE "STARTDATE"
FROM employees;
-> ANSWER QUESTION 4
SELECT JOB_ID
FROM EMPLOYEES;
-> ANSWER QUESTION 5
SELECT EMPLOYEE_ID "Emp#", LAST_NAME "Employee", JOB_ID "Job", HIRE_DATE
FROM employees;
-> ANSWER QUESTION 6
SELECT LAST_NAME || ' , ' || JOB_ID AS "Employee and Title"
FROM employees;
-> ANSWER QUESTION 7
SELECT EMPLOYEE_ID || ',' || FIRST_NAME || ',' || LAST_NAME || ',' ||
EMAIL || ',' || PHONE_NUMBER || ',' || HIRE_DATE || ',' || JOB_ID || ',' ||
SALARY || ',' || COMMISSION_PCT || ',' || MANAGER_ID || ',' || DEPARTMENT_ID AS
"THE_OUTPUT"
FROM EMPLOYEES;