Answered: With SQL code, find the name of each…

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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Question

With SQL code, find the name of each employee with a manager along with their manager's name (use cartesian product and rename)

Employee table:

create table employee(

ID varchar(6) not null,
person_name varchar(10),
street varchar(10),
city varchar(10),
primary key (ID));

Manages table:

create table manages(
ID varchar(6) not null,
manager_id varchar(6),
primary key (ID),
foreign key (ID) references employee,
foreign key (manager_id) references employee);

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For finding this query we will use the join clause.

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