Database Design please assist

the options are listed please select one for each

 

 

DATABASE DEVELOPMENT LIFE CYCLE In which step(s) in the Database Development Life Cycle, would each of the following be performed? Obtaining a reasonable estimate of the operating cost of a database system? Determining changes needed to make the database more effective. Writing and testing database application programs Determining whether the organisation has people who are technically qualified to design and manage a database Determining the files used by the quarterly sales report? Identifying the information needed by the manager of the purchasing department relative to the quality of service provided by vendors. Choose... Database Evaluation and Performance Operational Feasibility Technological Feasibility Preliminary Planning Conceptual Design Economical Feasibility Requirements Definition Implementation Choose...