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Explain the stages and their examples of database development lifecycle (DBMS)?
Let’s see the stages of database system life cycle (DDLC) and their facts using tabular form −
| Stage of Database system development Lifecycle | Example of Facts | Example of Documentation Produced |
|---|---|---|
| Database Planning | Aims and objectives of database projects. | Mission statements and objectives. |
| System Identification | Description of major user views (Job roles, business application areas). | Definition of scope and boundary of database system, definition of user views to be supported. |
| Requirements Collection and Analysis | Requirements of user views, system specifications, including performance and security requirements. | User requirement specification, system specification. |
| Database design | User’s responses to checking the logical database design, functionality provided by target DBMS. | Logical database design, data dictionary, physical database design. |
| Application Design | Users’ response to checking interface design. | Application design. |
| DBMS Selection | Functionality provided by target DBMS. | DBMS evaluation |
| Prototyping | User response to prototype. | Modified user requirement specification and system specification. |
| Implementation | Functionality provided by target DBMS. | |
| Data conversion and loading | Format of current data, data import capability of target DBMS. | |
| Testing | Test Results. | Testing strategies used, |
| Operational maintenance | Performance testing results, new or changing user and system requirements. | User manual, analysis of performance results, modified users requirements and system specification. |
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