Base column name must be unique within 28 bytes. online patching

Hi All,

we have got this information for online patching process. we have to reduce the column name length for base tables.

please suggest for bellow process.

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DOC>  SECTION-22  [full]

DOC>  **********************************************************************

DOC>  "Base column name must be unique within 28 bytes."

DOC>

DOC>   - P3: these columns cannot be revised using the same logical name

DOC>         during online patching.

DOC>   - Fix violations by renaming the column to a shorter base name.

DOC>   - Fixes can be deferred until there is a reason to patch the column.

DOC>     Unused columns can be ignored.

DOC>   Note: This check only works after Online Patching Enablement.