Database Concepts (8th Edition)
8th Edition
ISBN: 9780134601533
Author: David M. Kroenke, David J. Auer, Scott L. Vandenberg, Robert C. Yoder
Publisher: PEARSON
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Expert Solution & Answer
Chapter 7, Problem 7.1RQ
Explanation of Solution
Web based application in three-tier Architecture:
In web based environment, a Web server and the DBMS (
- The major components of web database applications are web browser, web server and database.
The below diagram will illustrate the three-tier architecture as follows:
The layers in the three-tier architecture are listed below:
- Application (web browser)
- Web server
- DBMS server
Application (web browser):
- Applications are developed using scripting language which executes on computers.
- It will send a web page request to the web server.
Web server:
- Server scripting code is used to control the code which returns back to the browser.
- It will send a database request to the DBMS server.
DBMS server:
- Results from databases are made by sending request for DBMS operations using SQL and SQL/PSM commands.
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Chapter 7 Solutions
Database Concepts (8th Edition)
Ch. 7 - Prob. 7.1RQCh. 7 - Prob. 7.2RQCh. 7 - Prob. 7.3RQCh. 7 - Prob. 7.4RQCh. 7 - Prob. 7.5RQCh. 7 - Prob. 7.6RQCh. 7 - Prob. 7.7RQCh. 7 - Prob. 7.8RQCh. 7 - Prob. 7.9RQCh. 7 - Prob. 7.10RQ
Ch. 7 - Prob. 7.11RQCh. 7 - Prob. 7.12RQCh. 7 - Prob. 7.13RQCh. 7 - Prob. 7.14RQCh. 7 - Prob. 7.15RQCh. 7 - Prob. 7.16RQCh. 7 - Prob. 7.17RQCh. 7 - Prob. 7.18RQCh. 7 - Prob. 7.19RQCh. 7 - Prob. 7.20RQCh. 7 - Prob. 7.21RQCh. 7 - Prob. 7.22RQCh. 7 - Prob. 7.23RQCh. 7 - Prob. 7.24RQCh. 7 - Prob. 7.25RQCh. 7 - Prob. 7.26RQCh. 7 - Prob. 7.27RQCh. 7 - Prob. 7.28RQCh. 7 - Prob. 7.29RQCh. 7 - Prob. 7.30RQCh. 7 - Prob. 7.31RQCh. 7 - Prob. 7.32RQCh. 7 - Prob. 7.33RQCh. 7 - Prob. 7.34RQCh. 7 - Prob. 7.35RQCh. 7 - Prob. 7.36RQCh. 7 - Show a snippet of PHP code for creating a...Ch. 7 - Show a snippet of PHP code for displaying the...Ch. 7 - Show a snippet of PHP code for disconnecting from...Ch. 7 - Prob. 7.40RQCh. 7 - Prob. 7.41RQCh. 7 - Prob. 7.42RQCh. 7 - Prob. 7.43RQCh. 7 - Prob. 7.44RQCh. 7 - Prob. 7.45RQCh. 7 - Prob. 7.46RQCh. 7 - Prob. 7.47RQCh. 7 - What is the purpose of the FOR XML expression in...Ch. 7 - Prob. 7.49RQCh. 7 - Prob. 7.50RQ
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- Describe the different types of database requests and transactions.arrow_forwardSQL databases conform to ACID properties. Briefly describe the ACID properties, and state the purpose of each. How does conformance to ACID properties affect the performance of SQL databases?arrow_forwardDescribe the role of ACID and BASE principles in different database architectures.arrow_forward
- Explain the concept of distributed transactions and the importance of ACID properties in a distributed database environment.arrow_forwardDescribe the challenges and benefits of sharding in distributed database systems.arrow_forwardExplain three-schema Architecture for Database Development?arrow_forward
- Describe the concept of transaction isolation levels and their significance in a database environment.arrow_forwardExplain the concept of sharding in a distributed database system. How does sharding improve scalability and performance?arrow_forwardDescribe the CAP theorem and how it relates to distributed database architectures.arrow_forward
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