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Q2. (4 points) Assume we have the following two tables and their instances: CREATE TABLE Employee-Work (age INTEGER, CREATE TABLE Project( pid CHAR(10), Project pid 100 102 200 101 budget 500K ssn CHAR(10), name CHAR(50), pid CHAR(10) Not Null, PRIMARY KEY (ssn), FOREIGN KEY (pid) REFERENCES Project ON Delete CASCADE) 400K 700K 100K budget CHAR(10), PRIMARY KEY (pid)) Employee-work Ssn 5380 5381 5382 DELETE FROM Project P WHERE P.pid = 100 or P.pid=200 name Joe Ali Jill pid 102 101 100 What will be the new instances of the tables Employee-work and Project after running the following query?

Q2. (4 points) Assume we have the following two tables and their instances: CREATE TABLE Employee-Work (age INTEGER, CREATE TABLE Project( pid CHAR(10), Project pid 100 102 200 101 budget 500K ssn CHAR(10), name CHAR(50), pid CHAR(10) Not Null, PRIMARY KEY (ssn), FOREIGN KEY (pid) REFERENCES Project ON Delete CASCADE) 400K 700K 100K budget CHAR(10), PRIMARY KEY (pid)) Employee-work Ssn 5380 5381 5382 DELETE FROM Project P WHERE P.pid = 100 or P.pid=200 name Joe Ali Jill pid 102 101 100 What will be the new instances of the tables Employee-work and Project after running the following query?

Database System Concepts
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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Can someone please explain to me ASAP??!!! This is database system
Q2. (4 points) Assume we have the following two tables and their instances: CREATE TABLE Employee-Work (age INTEGER, CREATE TABLE Project( pid CHAR(10), Project pid 100 102 200 101 ssn CHAR(10), name CHAR(50), pid CHAR(10) Not Null, PRIMARY KEY (ssn), FOREIGN KEY (pid) REFERENCES Project ON Delete CASCADE) budget 500K 400K 700K 100K budget CHAR(10), PRIMARY KEY (pid)) Employee-work Ssn 5380 Joe 5381 Ali 5382 Jill DELETE FROM Project P WHERE P.pid = 100 or P.pid=200 name pid 102 101 100 What will be the new instances of the tables Employee-work and Project after running the following query?
Transcribed Image Text:Q2. (4 points) Assume we have the following two tables and their instances: CREATE TABLE Employee-Work (age INTEGER, CREATE TABLE Project( pid CHAR(10), Project pid 100 102 200 101 ssn CHAR(10), name CHAR(50), pid CHAR(10) Not Null, PRIMARY KEY (ssn), FOREIGN KEY (pid) REFERENCES Project ON Delete CASCADE) budget 500K 400K 700K 100K budget CHAR(10), PRIMARY KEY (pid)) Employee-work Ssn 5380 Joe 5381 Ali 5382 Jill DELETE FROM Project P WHERE P.pid = 100 or P.pid=200 name pid 102 101 100 What will be the new instances of the tables Employee-work and Project after running the following query?
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