Database Development Life Cycle With Example

Once the design is completed the life cycle continues with database implementation and maintenance. This chapter contains an overview of the database life cycle as shown in figure 1 1. Life cycle of database begins with analysis and defining of the problems and objectives.

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A characteristic of an entity.

Database development life cycle with example. Like in the example i will put in detail with mixed approach. A diagram used during the design phase of database development to illustrate the organization of and relationships between data during database design. Ddlc database development life cycle process could be used. Database applications do not have the same characteristics as other software applications and thus a specific database development life cycle dbdlc.

The database life cycle dblc contains six phases as shown in the following figure. Furthermore the dblc never ends because database monitoring modification and maintenance are part of the life cycle and these activities continue long after a database has been implemented. Example an entity relationship model v. Waterfall model found in pressman book step by step implement the project.

Since maintenance involves the analysis of the changes required design of a solution implementation and testing of that solution over the lifetime of a maintained software system the waterfall life cycle will be repeatedly revisited. Data that identifies or describes an entity. The database life cycle dblc defines the stages involved for implementing a database starting with requirements analysis and ending with monitoring and modification. The database life cycle incorporates the basic steps involved in designing a global schema of the logical database allocating data across a computer network and defining local dbms specific schemas.

The following figure displays the life cycle of a database that begins with analysis including feasibility study. We can use the waterfall cycle as the basis for a model of database development that. The model is based on the requirements specification of the system. Database initial study database design implementation and loading testing and evaluation operation and maintenance and evolution.

Here find details of database development life cycle. Usually represented as a column in a table attributes store data values. Database development life cycle afrasiyab haider database development life cycle in the conceptual database design phase the model of the data to be used independent of all physical considerations is to be constructed.