What is the database systems lifecycle?
The database development life cycle includes eight steps that help guide us through the creation of a new database. The steps are planning, requirement gathering, conceptual design, logical design, physical design, construction, implementation and rollout, and finally ongoing support.
What are the six phases of database life cycle?
The Database Life Cycle (DBLC) contains six phases, as shown in the following Figure: database initial study, database design, implementation and loading, testing and evaluation, operation, and maintenance and evolution.
How does database life cycle relate to system development life cycle?
8.3. Database Development Life Cycle The database development life cycle (DDLC) is a process of designing, implementing and maintaining a database system to meet strategic or operational information needs of an organisation or enterprise such as: Improved customer support and customer satisfaction.
What is the first step in the database life cycle?
The first step is requirements gathering. During this step, the database designers have to interview the customers (database users) to understand the proposed system and obtain and document the data and functional requirements.
What are the five major parts of a database system?
The five major components of a database are hardware, software, data, procedure, and database access language.
What is the purpose of database systems?
Database systems are designed to manage large bodies of information. Management of data involves both defining structures for storage of information and providing mechanisms for the manipulation of information.
What are the elements of database system?
Components of a database management system
- Storage engine.
- Query language.
- Query processor.
- Optimization engine.
- Metadata catalog.
- Log manager.
- Reporting and monitoring tools.
- Data utilities.