Referential integrity constraints displayed on the COMPANY relational database schema. ΕMPLOYEΕ Fname Minit Lname Ssn Bdate Address Sex Salary Super ssn Dno DEPARTMENT Dname Dnumber Mgr_ssn Mgr_start_date DEPT_LOCATIONS Dnumber Dlocation PROJECT Pname Pnumber Plocation Dnum WORKS_ON Essn Pno Hours DEPENDENT Essn Dependent_name Sex Bdate Relationship
Referential integrity constraints displayed on the COMPANY relational database schema. ΕMPLOYEΕ Fname Minit Lname Ssn Bdate Address Sex Salary Super ssn Dno DEPARTMENT Dname Dnumber Mgr_ssn Mgr_start_date DEPT_LOCATIONS Dnumber Dlocation PROJECT Pname Pnumber Plocation Dnum WORKS_ON Essn Pno Hours DEPENDENT Essn Dependent_name Sex Bdate Relationship
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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and execute the following queries in relational algebra (RA) using the RA interpreter on the COMPANY
- List the names of employees who are directly supervised by Franklin Wong.
- List the names of employees who work on at least one project in Dallas but the department has no location in Dallas.
- List the names of employees who work on every project.
please answer them in a very clean and clear so I can read it and understand it
Write precise and direct query.
![Referential integrity constraints displayed on the COMPANY relational database schema.
ΕMPLOYEΕ
Fname Minit Lname Ssn Bdate
Address
Sex Salary
Super ssn
Dno
DEPARTMENT
Dname Dnumber Mgr_ssn Mgr_start_date
DEPT_LOCATIONS
Dnumber
Dlocation
PROJECT
Pname Pnumber Plocation
Dnum
WORKS_ON
Essn
Pno
Hours
DEPENDENT
Essn
Dependent_name
Sex
Bdate
Relationship](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5f929106-f5a1-4290-a6d9-3c211e1d2d69%2F30f042d6-7edb-4df3-b85d-a5388dbb43ee%2Ftn52nx9.png&w=3840&q=75)
Transcribed Image Text:Referential integrity constraints displayed on the COMPANY relational database schema.
ΕMPLOYEΕ
Fname Minit Lname Ssn Bdate
Address
Sex Salary
Super ssn
Dno
DEPARTMENT
Dname Dnumber Mgr_ssn Mgr_start_date
DEPT_LOCATIONS
Dnumber
Dlocation
PROJECT
Pname Pnumber Plocation
Dnum
WORKS_ON
Essn
Pno
Hours
DEPENDENT
Essn
Dependent_name
Sex
Bdate
Relationship
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