Dr. Frank Hofmann forwarded this announcement in his gdi-sn-l@kbx7.de blog indicating the precautions to take in geodatabase handling.:

ESRI® announces the ArcGIS (Desktop, Engine, Server) 10.0 Personal Geodatabase Unicode Item Definition Patch. This patch addresses an issue where Unicode strings in the definitions of items will become corrupt when using version 10 personal geodatabases with ArcGIS 10. The patch deals specifically with the issue listed below under Issues Addressed with this Patch.

NIM059333 -Object definitions containing Unicode characters stored in 10.0 personal (access) geodatabases are not persisted correctly.

Description: Non-english Unicode characters used in the definition of items become corrupted in version 10 personal geodatabases when using ArcGIS 10. This error corrupts the source data and is non-recoverable (emphasizing by the author).

Only specific uses of non-english Unicode characters in the following item definitions will cause this behavior to occur (this is not a comprehensive list.): domain names, domain description, domain codes, default values, field aliases, table aliases, subtype names, subtype descriptions, feature dataset names, simple relationship names (but not attributed relationships), replica names, toolboxes names, topology names, geometric network names, network dataset names, terrain names, representation names.

Other uses of non-english Unicode characters, such as in the contents or names of geodatabase tables or feature classes will not be affected by this issue.

Literature

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About fjbehr

Prof. Dr.-Ing. Franz-Josef Behr, Professor of Geoinformatics at Stuttgart University of Applied Sciences (http://www.gis-management.de/). His specializations include * Internet, Internet GIS * XML, GML, SVG * Data exchange and Interoperability * Visualization * Open Source Solutions * Consulting Member of the DIN working group NA 005-03-03 AA "Arbeitsausschuss Kartographie und Geoinformation" (Sp CEN/TC 287+ISO/TC 211). He is the author of two authoritative books on GIS in German, one is "Strategisches GIS-Management", published by Wichmann Verlag (2004). The second is "Einführung in Geographische Informationssysteme" (1997).

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