DBA Growth path The software development cycle of database design

Software Development Cycle Introduction

If you want to learn SQL statements Well, we must know how these tables come from. How to design, so everyone want to learn the database must first learn database design. This article is mainly to guide the learning database design, describe the approximate development cycle

Software Development Cycle INTRODUCTION 1: Requirements analysis phase ... This phase is primarily an analysis of the customer's business and data processing requirements This phase is particularly important, if the demand analysis is not well into the development phase of trouble or even push the whole project to new analysis requirements.

Software Development Cycle Introduction 2: Summary design phase: Here begins the database design-e-r model diagram, confirms the requirement information the correct integrity;

Software Development Cycle Introduction 3: Detailed design phase: The E-r diagram into multiple tables, logical design, and the application of the three major paradigms of database design to audit; Actually, the database design is written in front of the code, what is the code? No, just come to the database operation!

Software Development Cycle Introduction 4: Code writing phase: Select a specific database for physical implementation; That is, start writing code

Software Development Cycle Introduction 5: Software testing phase: ....... ..... 10,000 words are omitted here. Software testing cumbersome content.

Software Development Cycle Introduction 6: Installation Deployment: ..... This is the deployment of operations to the production environment for post-maintenance.

Well, everyone should understand the status of database design in the software development cycle.

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DBA Growth path The software development cycle of database design