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ziXi <br /> coal ea� Iw�ae swyw, lRaaorer+ealw n.eowo. l e�dIF6a eslswypa RdMujship, l w84t4e.,0� 1 <br /> SWpge FN6 Sibdpe R+efueee c6M pa4gMmir Ue lcbwiy ,eb nntNps: <br /> Delaue 5uhrym Bn.OR fleMurmM1 LeM flebM io qck <br /> N SWrYuev "Ir e4Mm H w_Patas... .Spaual"ei_. Diem <br /> omml� J <br /> z e> � <br /> a Cn,Rbtt J <br /> rn= <br /> e ,masiun, J <br /> Dda tV3L , me Domer, <br /> FM ram D tmk vawe <br /> -t e�im ereaemma—J <br /> a.uw ,.c�aammwm . <br /> evene <br /> mica- <br /> �nna .ounaomsNaaa <br /> JJen,� <br /> vo.� a <br /> .e .romearces� <br /> JUm Dea kY Dinar, <br /> OK Cared _J OK Cawel _J <br /> Figure 5- 10: Creating Feature Class Subtypes Figure 5- 11 : Feature Class Relationships <br /> fihata Migration <br /> Once the Physical Database Design process is complete , existing data can be migrated <br /> from its existing format to the geodatabase . It is highly recommended that this process <br /> occur simultaneously with the database design process . Some data manipulation will be <br /> part of the migration process . Attribute fields from the existing data are matched with its <br /> respective counterpart in a Feature Class in the Physical Database Design . Only fields of <br /> " similar data type can be migrated . Once data layers are in a state conducive for migration , <br /> ArcCatalog should be used to physically migrate the data from its existing format to the <br /> geodatabase ( Figure 5- 12) . <br /> a Based on countywide needs assessments , it is recommended that data conversion to the <br /> geodafabase format be implemented . The conversion process should be performed in <br /> parallel with migration of existing GIS data layers currently maintained in Shopefile and /or <br /> CAD format . The GIS Director will need to determine the most effective means of converting <br /> existing CAD data . The geodafabase will be used to serve geo-spatial data for the County ' s <br /> enterprise-wide applications , including the Intranet GIS data browser as well as an Internet <br /> GIS data browser. <br /> 5- 11 <br /> GIS Needs Assessment and Implementation Plan Chapter 5 - Database Design and Setup <br />