BUG
Performance of Feature Class To Feature Class (conversion) or Table To Table (conversion) tool is slow when exporting to shapefile or dBASE (.dbf) if the input is a geodatabase feature class or table with attribute domains.
When converting a geodatabase feature class or table with attribute domains to a shapefile or dBASE (.dbf) table, the domain codes and descriptions are included in the output. The descriptions are stored in new fields with "_DESC" appended to the field name. The process of exporting the domain descriptions to the output is very slow.
Note:
Performance of domain export is expected to be significantly improved in ArcGIS 10.0 Service Pack 5.
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