CHAPTER 3:
A system is a set of components that interact with each other to form a whole and work together toward a common goal.
Components of information system are database, people, procedures, software, hardware and data.
5 phase of System Development Life Cycle (SDLC):
- Preliminary study phase
- Systems analysis phase
- Systems design phase
- System implementation phase
- Maintenance phase
4 goals of database development are:
Ø Develop a common vocabulary
Ø Define the meaning of data
Ø Ensure data quality
Ø Find an efficient implementation
6 phase of database life cycle (DBLC):






Two types of skills are needed in database developments which are the soft skills and the hard skills.
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