need help with this database qoustion

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
icon
Related questions
Question

need help with this database qoustion

To retrieve info about a particular dependent related to employee whose relationship entered
from keyboard.
a. SELECT dependent_name, sex, bdate FROM dependent WHERE relationship = '&relation';
O b. SELECT dependent_name, sex, bdate FROM dependent WHERE relationship = &relation;
c. SELECT dependent_name, sex, bdate FROM dependent WHERE relationship = 'Son';
O d. SELECT dependent_name, sex, bdate FROM dependent WHERE relationship = 'Son' or
%3D
relationship = 'Daughter' or relationship = 'Spouse';
Transcribed Image Text:To retrieve info about a particular dependent related to employee whose relationship entered from keyboard. a. SELECT dependent_name, sex, bdate FROM dependent WHERE relationship = '&relation'; O b. SELECT dependent_name, sex, bdate FROM dependent WHERE relationship = &relation; c. SELECT dependent_name, sex, bdate FROM dependent WHERE relationship = 'Son'; O d. SELECT dependent_name, sex, bdate FROM dependent WHERE relationship = 'Son' or %3D relationship = 'Daughter' or relationship = 'Spouse';
To add a foreign key constraint to table "dependent" that references the table "employee", which
of the following statements is correct?
a. Alter table employee add(constraint cons foreign key (ssn) references dependent (essn));
O b. Alter table dependent add(constraint cons foreign key(ssn) references employee (essn));
c. Alter table dependent add(constraint cons references employee(ssn));
d. Alter table dependent add(constraint cons foreign key (essn) references employee(ssn));
Transcribed Image Text:To add a foreign key constraint to table "dependent" that references the table "employee", which of the following statements is correct? a. Alter table employee add(constraint cons foreign key (ssn) references dependent (essn)); O b. Alter table dependent add(constraint cons foreign key(ssn) references employee (essn)); c. Alter table dependent add(constraint cons references employee(ssn)); d. Alter table dependent add(constraint cons foreign key (essn) references employee(ssn));
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Database Environment
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education