Consider the KeyNote example for the company’s invoicing system. The assertion requires 2 signatures on any invoice under $10,000. If the invoice is under $500, the chief financial officer believes this is unnecessary; one signature should suffice. Write a KeyNote assertion that says only one signature is needed if the amount of the invoice is under $500. Provide the assertion clearly that has fields authorizer,comment,conditions,keynote-version,licensees,local-contents,signature

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
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Consider the KeyNote example for the company’s invoicing system. The assertion requires 2 signatures on any invoice under $10,000. If the invoice is under $500, the chief financial officer believes this is unnecessary; one signature should suffice. Write a KeyNote assertion that says only one signature is needed if the amount of the invoice is under $500.

Provide the assertion clearly that has fields authorizer,comment,conditions,keynote-version,licensees,local-contents,signature

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Step 1

Introduction

An invoicing system is a software application that enables businesses to create, manage, and send invoices to customers for goods and services provided. It typically includes features such as invoice creation, tracking of payments, and generating reports on the financial health of the business. Invoicing systems can range from simple, basic software to more advanced systems that integrate with other business applications, such as accounting and inventory management software. They can be used by small businesses and freelancers, as well as larger organizations with more complex invoicing needs. 

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