System Development Life Cycle

Original: System Development life cycle

The general system development Life cycle (SDLC):

1. Plan (planning)

2. Demand collection and Analysis (Requirements gathering)

3. Conceptual Fish Logic Design (conceptual and logical)

4. Physical design (physical designs)

5, build the model and test (construction and testing)

6. Implementation and implementation (implementation and deployment)

7. Maintenance/Support (maintenance/ongoing)

Database life cycle: (DBLC):

1. Start-Up (initiation): At this stage, the DBA should assess the location of the company and the specific needs of the database.

2, Design: Design concept, logic, physical model diagram.

3, build, load (build and load): Build test environment. and load the data as real as possible.

4. Test: Test availability, performance, security, scalability

5, implementation (Implementation): specifically in the production environment to achieve.

6, Operation (Operations): maintenance.

Database Design Model: Business, users, models (businesses, user, Model--bum):

Business: You need to be clear about your purpose and the database you need.

List the various business requirements.

Users: In this truncation, you need to study performance requirements and availability.

Model: Document logic and the implementation of a physical database.

System Development Life Cycle