>I have been bugging the list relentlessly for some time now about my
>problems with indexing. Briefly, I have a Clipper and a Delphi app. that
>need to access the same data. The tables if I'm correct are Dbase III+
>format. I have at last discovered that one can create indexes using the
>addindex method. However when I try to index a table with the following
>code:

>     academic_dbf_tbl.addindex('academic','surname',[ixUnique]);

>I get an error 'table level changed'.

>If I convert the file to a Dbase 5 format the code works and creates an mdx
>file. I would be happy to work mdx indexes, bu t I need my files to stay in
>the Dbase III+ format.

>An help would be appreciated.