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Design and Implementation of a Database Driven Online Electronic Marketplace

Design and Implementation of a Database Driven Online Electronic Marketplace

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Reference ID: PS-5082-TM


This research material titled “Design and Implementation of a Database Driven Online Electronic Marketplace” is dedicated to God for his enabling grace, and to all computer enthusiasts who contributed to make life a pleasant experience during my research documentation.


I extend my sincere gratitude to all those who contributed to the completion of this project. Special thanks to my Supervisor (Name of your Supervisor), the Head of Department (Name of your HOD), the Lecturers in the department of Computer Science (CS), Book Authors and Profound Scholars of existing or related project material on “Design and Implementation of a Database Driven Online Electronic Marketplace” for their invaluable guidance, support, and expertise throughout the journey.

I am also grateful to your study area (mention any funding organizations, if applicable) for their financial assistance. This research would not have been possible without the encouragement and assistance of some stakeholders (mention any mentors, teachers, or colleagues). Additionally, I would like to acknowledge the understanding and patience of my family and friends during this endeavor. Your unwavering support has been a constant source of motivation. Thank you all for being part of this meaningful endeavor.





  • 1.1 Introduction
  • 1.2 Background of Study
  • 1.2.1 Historical Review of Online Marketplace
  • 1.3 Statement of the Problem
  • 1.4 Aim and Objective of the Study
  • 1.5 Significance of Study
  • 1.6 Scope of Study
  • 1.7 Limitations of the Study
  • 1.8 Definition of Terms



  • 2.1 Introduction
  • 2.2 Conceptual Review of Enhanced Online Electronic Database Driven Marketplace
  • 2.3 Theoretical Framework
  • 2.3.1 Technology Acceptance Model (TAM)
  • 2.3.2 Relational Database Theory
  • 2.3.3 Scalability and Performance Theories
  • 2.3.4 Security Models
  • 2.3.5 User Experience (UX) Design Principles
  • 2.4 Relevance of Enhanced Electronic Database Driven Marketplace Implementation
  • 2.5 Benefits of Designing and Implementing an Enhanced Online Electronic Database-Driven Marketplace
  • 2.6 Problems Affecting the Existing System Implementation
  • 2.6 Prospects for the Issues Impacting the Existing System Implementation
  • 2.7 Review of Related Literature



  • 3.1 Methodology Adopted
  • 3.1.1 Problem Identification Using SSADM
  • 3.2 Analysis of the Existing System
  • 3.2.1 Dataflow of the Existing System
  • 3.2.2 Disadvantages of the Existing System
  • 3.2.3 Weakness of the existing System
  • 3.3 Analysis of the Proposed System
  • 3.3.1 Data Flow Diagram of the Proposed System
  • 3.3.2 Advantages of the Proposed System
  • 3.3.3 Justification of the Proposed System
  • 3.4 Functional Requirements
  • 3.4.1 Use Case Diagram of the Admin / User Privileges
  • 3.5 Data Requirements
  • 3.6 High Level Model of the Proposed System



  • 4.1 Objectives of the Design
  • 4.2 Cohesion and Decomposition High level Model
  • 4.3 Control Center / Overall Dataflow Diagram
  • 4.3.1 Proposed System Operation Flowchart
  • 4.4 System Specification and Design
  • 4.4.1 Input and Output Specification
  • 4.4.2 Database Specification and Design
  • 4.4.3 Algorithm
  • 4.4.4 Data Dictionary
  • 4.5 Choice and Justification of Programming Language
  • 4.6 Program Documentation
  • 4.7 Implementation Techniques
  • 4.8 Programming Module Specification
  • 4.8.1 Installation
  • 4.9 Computer Hardware Minimum Requirement
  • 4.10 Software Requirement
  • 4.11 Personnel / User Training
  • 4.12 Discussion of Findings



  • 5.1 Introduction
  • 5.2 Summary
  • 5.3 Conclusion
  • 5.4 Recommendation




Design and Implementation of a Database Driven Online Electronic Marketplace


1.1 Introduction

Electronic marketplace is an online platform where goods and services are exchanged between buyers and sellers, facilitated through digital transactions and communication channels. Similarly, According to Laudon & Traver (2020), an online marketplace is a digital platform that facilitates the buying and selling of goods and services. It connects sellers with potential buyers, offering various features such as product listings, payment processing, and customer support. Examples include Amazon, eBay, and Alibaba (Laudon & Traver, 2020). The advent of the internet has revolutionized how businesses operate, leading to the emergence of online marketplaces that facilitate buying and selling goods and services. Traditional brick-and-mortar stores have had to adapt to this digital transformation to remain competitive. However, the design and implementation of these online platforms require careful consideration to ensure they are user-friendly, secure, and capable of handling large volumes of data. An enhanced online electronic database-driven marketplace leverages advanced database management systems to provide a seamless and efficient shopping experience. These marketplaces integrate various technological innovations, such as real-time inventory updates, personalized recommendations, and secure payment gateways, to improve user engagement and satisfaction.

As a prelude to other parts of this study, this chapter will discuss the background upon which this study was initiated, the statement of problems that led to this study, the Aim and Objectives of the study. Others are Significance of the study, Scope of work, Limitation of the study and Definition of technical terms.

1.2 Background of Study

The digital age has ushered in significant transformations across various sectors, with e-commerce being one of the most profoundly impacted. The evolution of the internet and advancements in technology has led to the proliferation of online marketplaces, which have become integral components of the global economy. These platforms have not only changed the way consumers shop but have also reshaped business models and strategies. The concept of online marketplaces is rooted in the early days of e-commerce when businesses began exploring the potential of the internet for commercial purposes. Early examples include platforms like Amazon and eBay, which started in the mid-1990s and quickly grew into global giants. These platforms demonstrated the feasibility and advantages of conducting business online, such as wider reach, convenience, and cost-effectiveness. However, the success of these early platforms also highlighted several challenges. As online marketplaces grew in size and complexity, they needed to manage large volumes of data efficiently and securely. This need gave rise to the development of advanced database-driven systems that could handle the vast amounts of information generated by user activities, transactions, and inventory management.

According to Chaffey (2019), the effectiveness of an online marketplace is heavily influenced by its underlying database architecture. A well-designed database system ensures that the marketplace can provide real-time information, maintain data integrity, and offer personalized experiences to users. This is particularly important in a competitive landscape where user expectations are continually rising. Moreover, the integration of advanced database technologies has enabled online marketplaces to offer enhanced functionalities such as dynamic pricing, targeted advertising, and comprehensive analytics. These features help businesses to better understand consumer behavior, optimize their operations, and improve their competitive edge. Turban et al. (2018) highlight that leveraging data analytics in e-commerce can lead to more informed decision-making and better strategic planning.

The implementation of enhanced online electronic database-driven marketplaces also involves addressing critical issues related to scalability, security, and interoperability. As the user base and transaction volumes grow, the marketplace must scale efficiently to maintain performance and user satisfaction. Additionally, protecting sensitive customer data from cyber threats is paramount to maintaining trust and compliance with regulatory requirements.

According to Laudon and Traver (2020), the success of an online marketplace is heavily dependent on its ability to manage and process data effectively. This includes everything from product listings and customer information to transaction records and user interactions. A robust database system is essential for maintaining the integrity and availability of this data, which in turn, enhances the overall performance and reliability of the marketplace.

Moreover, the implementation of enhanced online marketplaces involves addressing key challenges such as data security, scalability, and integration with other systems. For instance, as the number of users and transactions grows, the marketplace must scale efficiently to avoid performance bottlenecks. Additionally, ensuring the security of sensitive customer information is paramount to building trust and credibility.

1.2.1 Historical Review of Online Marketplace

The history of online marketplaces is closely intertwined with the development of the internet and e-commerce. The initial concept of conducting business electronically dates back to the 1970s and 1980s with the advent of Electronic Data Interchange (EDI) and the introduction of online transaction processing. These early systems laid the groundwork for the modern e-commerce platforms that would follow.

According to Laudon & Traver (2020), the true rise of online marketplaces began in the mid-1990s with the commercialization of the internet. Pioneering companies like Amazon and eBay were among the first to establish successful online platforms. Amazon, founded by Jeff Bezos in 1994, started as an online bookstore and rapidly expanded its product range, setting the standard for what an online marketplace could achieve. eBay, founded by Pierre Omidyar in 1995, introduced a novel auction-based model that allowed users to buy and sell items directly, creating a dynamic marketplace environment (Laudon & Traver, 2020). During this period, the importance of robust database management systems became evident. These early marketplaces required efficient ways to manage and process large amounts of data, from product listings to user information and transaction records. The relational database management system (RDBMS) became the backbone of these platforms, enabling reliable data storage, retrieval, and manipulation (Kroenke & Auer, 2014).

As the internet evolved, so did the capabilities and expectations of online marketplaces. The late 1990s and early 2000s saw the emergence of more sophisticated technologies and the integration of new functionalities. The introduction of secure payment gateways, advanced search algorithms, and personalized recommendation systems marked significant milestones in the evolution of online marketplaces. These advancements were driven by the need to enhance user experience, improve operational efficiency, and gain competitive advantages (Chaffey, 2019).

The 2010s brought about the era of big data and analytics, which further transformed online marketplaces. The ability to collect, process, and analyze vast amounts of data in real-time enabled businesses to gain deeper insights into consumer behavior and preferences. This, in turn, facilitated more personalized shopping experiences and targeted marketing strategies. According to Turban et al. (2018), the integration of big data analytics into e-commerce platforms has been a game-changer, allowing businesses to make data-driven decisions and optimize their operations (Turban et al. 2018). More recently, the focus has shifted towards enhancing the scalability and security of online marketplaces. With the increasing volume of transactions and user data, marketplaces must ensure that their systems can handle growth without compromising performance. Additionally, the rise of cyber threats has necessitated the implementation of robust security measures to protect sensitive information and maintain user trust. Emerging technologies such as blockchain and artificial intelligence are being explored to address these challenges and further enhance the capabilities of online marketplaces (Laudon & Traver, 2020).

1.3 Statement of the Problem

Investigation revealed that the existing enhanced online electronic database-driven marketplaces face several critical challenges that need to be addressed to ensure their success and sustainability. One of the foremost issues is the management of large volumes of data. As the marketplace grows, the amount of data generated from user interactions, transactions, product listings, and inventory management becomes overwhelming. Efficiently storing, retrieving, and processing this data requires robust database management systems and advanced algorithms (Kroenke & Auer, 2014).

Another significant problem is ensuring data security and privacy. Online marketplaces handle sensitive information such as customer personal details, payment information, and transaction records. The rise of cyber threats and data breaches poses a serious risk to the integrity and trustworthiness of these platforms. Implementing stringent security measures, such as encryption, multi-factor authentication, and regular security audits, is crucial to protecting user data and maintaining customer trust (Laudon & Traver, 2020).

Scalability is also a major concern for online marketplaces. As the user base and transaction volume increase, the platform must be able to scale seamlessly without degrading performance. This requires scalable database architectures and efficient load-balancing mechanisms to handle peak loads and ensure smooth operation. Failure to address scalability can lead to slow response times, system crashes, and ultimately, loss of customers (Chaffey, 2019).

User experience is another critical area that presents several challenges. An intuitive and user-friendly interface is essential for attracting and retaining customers. However, designing such an interface requires a deep understanding of user behavior and preferences. Additionally, features such as advanced search functionality, personalized recommendations, and streamlined checkout processes need to be implemented to enhance the overall shopping experience. Ensuring that these features work seamlessly together is a complex task that requires careful planning and execution (Turban et al., 2018).

Integration with other systems and technologies is also a significant challenge. Online marketplaces often need to integrate with various external systems, such as payment gateways, logistics providers, and customer relationship management (CRM) systems. Ensuring smooth and secure integration while maintaining the integrity of the database and the overall system performance is a complex task. Moreover, keeping up with technological advancements and incorporating new features and functionalities into the existing platform requires continuous development and updates (Laudon & Traver, 2020).

1.4 Aim and Objective of the Study

The main aim of this study is to design and implement a Database-Driven Online Electronic Marketplace. In achieving this aim, the following specific objectives were laid out as follows:

  1. To develop an intuitive and user-friendly interface with advanced search functionality, and streamlined checkout processes to enhance the overall shopping experience;
  2. To implement stringent security measures that will protect sensitive user information and maintain customer trust;
  3. To create a scalable and efficient database management system capable of handling large volumes of data generated by user interactions, transactions, product listings, and inventory management; and
  4. To ensure smooth and secure integration with external systems such as payment gateways, logistics providers, and customer relationship management (CRM) systems, maintaining the integrity of the database and overall system performance.

1.5 Significance of Study

The significance of the proposed system implementation can be categorized based on its impact on different stakeholders:

  1. Businesses: The study offers businesses a blueprint for developing a more efficient and scalable online marketplace. By implementing robust database management systems and advanced technologies, businesses can improve operational efficiency, reduce costs, and enhance their competitive edge. The ability to handle large volumes of data and integrate smoothly with external systems enables businesses to streamline their operations and focus on growth and innovation.
  2. Consumers: Consumers benefit from an enhanced user experience, including intuitive navigation, advanced search functionalities, personalized recommendations, and a seamless checkout process. The study's focus on data security and privacy protection builds consumer trust and confidence in the platform, encouraging repeat purchases and fostering brand loyalty. Overall, consumers enjoy a more convenient, secure, and satisfying shopping experience.
  3. Developers and IT Professionals: For developers and IT professionals, the study provides valuable insights into the latest technologies and best practices for designing and implementing online marketplaces. The emphasis on scalable architecture, security measures, and integration techniques serves as a guide for building robust and reliable e-commerce platforms. Additionally, the study highlights the importance of continuous updates and improvements, encouraging a proactive approach to system maintenance and development.
  4. Investors and Stakeholders: Investors and other stakeholders gain confidence in the viability and sustainability of the marketplace. The study's comprehensive approach to addressing critical challenges such as scalability, security, and user experience demonstrates a commitment to building a resilient and competitive platform. This, in turn, can attract investment, drive business growth, and enhance the overall value proposition of the marketplace.
  5. Researchers and Academics: The study contributes to the academic field by providing a detailed analysis of the design and implementation of enhanced online marketplaces. Researchers can build on the findings to explore new areas of e-commerce, database management, and technology integration. The study also serves as a reference for future research, fostering continued innovation and development in the field of online marketplaces.

1.6 Scope of Study

The scope of this research is focused on the design and implementation of a Database-Driven Online Electronic Marketplace.

1.7 Limitations of the Study

During the course of this study, many things militated against its completion, some of which are:

  1. Time Constraint: The time frame given to accomplish this project was very short due to school academic calendar and it was carried out under pressure which made the researcher not to implement some necessary features.
  2. Power Supply: Availability of stable, efficient and reliable power supply is also a source of limitation this project as it depend only on source of energy to keep functioning
  3. Financial Constraint: Insufficient fund tends to impede the efficiency of the researcher in sourcing for the relevant materials.

1.8 Definition of Terms

Online Marketplace:

An online marketplace is a digital platform that facilitates the buying and selling of goods and services. It connects sellers with potential buyers, offering various features such as product listings, payment processing, and customer support. Examples include Amazon, eBay, and Alibaba (Laudon & Traver, 2020).

Database Management System (DBMS):

A DBMS is software that interacts with end-users, applications, and the database itself to capture and analyze data. It allows for the definition, creation, querying, update, and administration of databases. DBMS examples include MySQL, PostgreSQL, and Oracle (Kroenke & Auer, 2014).


Scalability refers to the ability of a system, network, or process to handle a growing amount of work, or its potential to accommodate growth. in the context of online marketplaces, scalability ensures that the platform can handle increased traffic and transactions without performance degradation (Chaffey, 2019).

Data Security:

Data security involves protective measures and protocols to prevent unauthorized access, data breaches, and other cyber threats to sensitive information. In online marketplaces, this includes encryption, authentication mechanisms, and regular security audits to protect user data and maintain trust (Laudon & Traver, 2020).

User Experience (UX):

User experience encompasses all aspects of the end-user's interaction with the company, its services, and its products. In online marketplaces, UX focuses on creating a seamless, intuitive, and enjoyable interface that enhances customer satisfaction and loyalty (Turban et al., 2018).


Integration in the context of online marketplaces refers to the process of linking different computing systems and software applications physically or functionally, to act as a coordinated whole. This includes connecting payment gateways, logistics providers, and CRM systems to ensure smooth operation and data consistency (Laudon & Traver, 2020).

Big Data Analytics:

Big data analytics involves examining large and varied data sets to uncover hidden patterns, unknown correlations, market trends, customer preferences, and other useful information. For online marketplaces, it can lead to improved decision-making and personalized customer experiences (Turban et al., 2018).


Blockchain is a decentralized ledger technology that ensures data integrity through a distributed network of nodes. It is used in online marketplaces to enhance security, transparency, and trust in transactions by providing an immutable record of all activities (Laudon & Traver, 2020).

Artificial Intelligence (AI):

AI refers to the simulation of human intelligence processes by machines, especially computer systems. In online marketplaces, AI is used for various purposes, including personalized recommendations, chatbots for customer service, and predictive analytics to enhance user experience and operational efficiency (Chaffey, 2019).


Encryption is the process of converting information or data into a code, especially to prevent unauthorized access. In online marketplaces, encryption is essential for securing data transmitted over the internet, such as payment details and personal information (Kroenke & Auer, 2014).


2.0 Literature Review

2.1 Introduction

This chapter focuses on the review of related literature. A literature review includes the current knowledge as well as theoretical and methodological contributions to a particular topic. It documents the state of the art with respect to the topic you are writing. It surveys the literature in the topic selected. In this research work the literature review includes the …

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