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We’ll begin this chapter by reviewing the fundamentals of database-driven websites before moving on to the pros and cons of web hosting, delving into the options that are available. You’ll see how the modern database fits into the process of using three different servers (the Perl, Apache, and MySQL servers) to generate a web page. These
Four architectural components: Application: initiates / terminates connections, submits SQL statements. Driver manager: load JDBC driver. Driver: connects to data source, transmits requests, returns/translates results and error. Data source: processes SQL statements.
A Web-based database is a key component of many applications, such as applications in electronic commerce, information retrieval, and multimedia.
This document describes the Software Development LifeCycle (SDLC) for small to medium database application development efforts. This chapter presents an overview of the SDLC, alternate lifecycle models, and associated references.
Why Database Systems? / 11 The Driving Forces / 11 Inadequacy of Earlier Data Systems / 12 Database Systems Meet the Challenges / 16 The Database Approach / 19 Database: A Formal Definition / 19 Data-Driven, Not Process-Driven / 20 Basic Concepts / 21 How Databases Are Used / 23 Overview of Data Models / 23 Hierarchical / 24 Network / 25 vii
Database application development is the process of obtaining real-world requirements, analyzing requirements, designing the data and functions of the system, and then implementing the operations in the system.
This chapter provides an overview of the database development process. After this chapter, the student should have acquired the following knowledge and skills: • List the steps in the information systems life cycle. • Describe the role of databases in an information system. • List the goals of database development.
