Mapping *- Mapping from Satellite images & maps . *- entering data, edit , join and relate data. Data Migration *- convert source data from all its forms (e.g Auto CAD) into Geodatabase. *-convert source data from projection to other projections. *- The ability to solve problems related to data and handle during manipulating. Quality control *- Making the converted data are compatible with the required database. *- The ability to control and review data through: -technical review - visual review. - make sure that data have logical with other data. Analysis *- Spatial analysis. *- Surface Analysis *- 3D analysis. *-Network analysis *- Statistical analysis. *-Queries. *-others. Output *-Maps. *-Charts. *-Reports.