Write an SQL query to fetch last_name from employees tableusing the alias name as Employee Name.• Write an SQL query to fetch unique values of department_idfrom employees' table.Write an SQL query to print all employee details fromemployees table sorted based on first_name ascending.Write an SQL query to print all employee details fromemployees table sorted based on last_name ascending anddepartment_id descending.Write an SQL query to print details for employees with thefirst_name as “Lex" and "Den" from employees table.Write an SQL query to print details of employees excludinglast_name "Khoo" and "Gee" from employees table.• Write an SQL query to print details of the employees whosefirst_name contains 'a'.• Write an SQL query to print details of the employees whoseemail ends with 'a'.Write an SQL query to print details of the employees whoselast_name ends with 'h' and contains exactly six alphabets.• Write an SQL query to print details of the employees whoseSALARY lies within 6500 and 17499.

Only first parts will be answered. Please upload other parts as a separate question again. a. An…

• Write an SQL query to fetch last_name from employees table using the alias name as Employee Name. • Write an SQL query to fetch unique values of department_id from employees' table. • Write an SQL query to print all employee details from employees table sorted based on first_name ascending.

• Write an SQL query to fetch last_name from employees table using the alias name as Employee Name. • Write an SQL query to fetch unique values of department_id from employees' table. • Write an SQL query to print all employee details from employees table sorted based on first_name ascending.

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

Problem 1PE

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Concept explainers

SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.

Question

Write an SQL query to fetch last_name from employees table
using the alias name as Employee Name.
• Write an SQL query to fetch unique values of department_id
from employees' table.
Write an SQL query to print all employee details from
employees table sorted based on first_name ascending.
Write an SQL query to print all employee details from
employees table sorted based on last_name ascending and
department_id descending.
Write an SQL query to print details for employees with the
first_name as “Lex" and "Den" from employees table.
Write an SQL query to print details of employees excluding
last_name "Khoo" and "Gee" from employees table.
• Write an SQL query to print details of the employees whose
first_name contains 'a'.
• Write an SQL query to print details of the employees whose
email ends with 'a'.
Write an SQL query to print details of the employees whose
last_name ends with 'h' and contains exactly six alphabets.
• Write an SQL query to print details of the employees whose
SALARY lies within 6500 and 17499.

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