Cmployee employee_id INT last name VARCHAR(25) first name VARCHAR(15) email VARCHAR(45) •dept code INT Indexes access login_name VARCHAR(15) password VARCHAR(15) employee_id INT department dept code INT dept_name VARCHAR(25) description VARCHAR(45) Indexes Indexes The employee_id attribute in the employee table is an auto incrementing number that the database guarantees is unique for each employee. This means that within the employee table, the employee_id is what? (Check all that apply.) O natural key O surrogate key O composite key O primary key foreign key

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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User acce8
login_name VARCHAR(15)
•password VARCHAR(15)
employee_id INT
employe
employee_id INT
last name VARCHAR(25)
first_name VARCHAR(15)
email VARCHAR(45)
dept code INT
department
dept code INT
dept_name VARCHAR(25)
description VARCHAR(45)
Indexes
Indexes
Indexes
The employee_id attribute in the employee table is an auto incrementing number that the database
guarantees is unique for each employee. This means that within the employee table, the
employee_id is what? (Check all that apply.)
O natural key
O surrogate key
O composite key
O primary key
O foreign key
Transcribed Image Text:User acce8 login_name VARCHAR(15) •password VARCHAR(15) employee_id INT employe employee_id INT last name VARCHAR(25) first_name VARCHAR(15) email VARCHAR(45) dept code INT department dept code INT dept_name VARCHAR(25) description VARCHAR(45) Indexes Indexes Indexes The employee_id attribute in the employee table is an auto incrementing number that the database guarantees is unique for each employee. This means that within the employee table, the employee_id is what? (Check all that apply.) O natural key O surrogate key O composite key O primary key O foreign key
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