Using Employees and Departments tables: a. Write a query that will display the First_Name and Department_Name of all employees even if there is no department assigned to them. Restrict the output whose commission_pct has a s no value. b. Explain any two types of Joins with an example.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Query design by referring the following scenario.
Scenario
company has a huge database to handle their employees’ details.
Most of the details regarding the employee activities and department details are stored in Employees
table and Departments table. Write the appropriate query to support the manager to complete the
following:

Using Employees and Departments tables:
a. Write a query that will display the First_Name and Department_Name of all employees even
if there is no department assigned to them. Restrict the output whose commission_pct has a
s no
value.
b. Explain any two types of Joins with an example.
Transcribed Image Text:Using Employees and Departments tables: a. Write a query that will display the First_Name and Department_Name of all employees even if there is no department assigned to them. Restrict the output whose commission_pct has a s no value. b. Explain any two types of Joins with an example.
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