1. What is the difference between the DELETE and DROP statements? 2. What is a subquery in SQL? se the following schemas for the next set of questions. mployee (employee-id, person_name, street, city) Works (person_name, company_name, salary) ompany (company_name, city) Ianages(person_name, manager_name) Write a SOL query to find the names of employees that
1. What is the difference between the DELETE and DROP statements? 2. What is a subquery in SQL? se the following schemas for the next set of questions. mployee (employee-id, person_name, street, city) Works (person_name, company_name, salary) ompany (company_name, city) Ianages(person_name, manager_name) Write a SOL query to find the names of employees that
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Please answer as many questions as you can!
![1. What is the difference between the DELETE and
DROP statements?
2. What is a subquery in SQL?
Use the following schemas for the next set of questions.
Employee (employee-id, person_name, street, city)
Works (person_name, company_name, salary)
Company (company_name, city)
Manages(person_name, manager_name)
3. Write a SQL query to find the names of employees that
begin with 'B'?
4. Write a SQL query to get the Fourth highest salary of
an employee from any employee_table?
5. Show the DDL command(s) that could be used
to create each of the 4 tables.
6. Find the names of all employees whose salary is
higher than 80000 and live on Broad St.
7. Find the names of all employees that start with
'Hi' and end with `n' and also live on Peachtree
Street in Atlanta.
8. Find the names, street address, and cities of
residence of all employees who work for
Suntrust and earn less than 100,000 but more
than 60,000 per year.
9. Delete the records of all employees living in
Greensboro from the Employee table. [No need
to show this table]
10. Determine the average salary of the employees
who do not live in Greensboro. Rename the
average salary as "Avg_Sal". [Note: use <>'
or !=']](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1140906c-dab4-4b72-b9ed-9e944e0bd1a4%2Fb334af30-5219-4a17-8377-f0673645864e%2F9qsyv1_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. What is the difference between the DELETE and
DROP statements?
2. What is a subquery in SQL?
Use the following schemas for the next set of questions.
Employee (employee-id, person_name, street, city)
Works (person_name, company_name, salary)
Company (company_name, city)
Manages(person_name, manager_name)
3. Write a SQL query to find the names of employees that
begin with 'B'?
4. Write a SQL query to get the Fourth highest salary of
an employee from any employee_table?
5. Show the DDL command(s) that could be used
to create each of the 4 tables.
6. Find the names of all employees whose salary is
higher than 80000 and live on Broad St.
7. Find the names of all employees that start with
'Hi' and end with `n' and also live on Peachtree
Street in Atlanta.
8. Find the names, street address, and cities of
residence of all employees who work for
Suntrust and earn less than 100,000 but more
than 60,000 per year.
9. Delete the records of all employees living in
Greensboro from the Employee table. [No need
to show this table]
10. Determine the average salary of the employees
who do not live in Greensboro. Rename the
average salary as "Avg_Sal". [Note: use <>'
or !=']
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