PROBLEM
Unable to zoom, pan, or perform spatial queries on Oracle 8i Spatial feature classes with measures or Z values, such as those having more than two dimensions, loaded with ArcGIS.
When ArcGIS loads a shapefile into a feature class on an ArcSDE for Oracle 8i server, it creates an R-tree Oracle Spatial index. The number of indexes dimensioned defaults to the number of dimensions in the shapefile, including Z and M.
R-tree spatial indexes do not work well when more than the X and Y dimensions are spatially indexed.
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