Hi,Dorin-

PMFJI, but just a comment-

>After 100000 inserts
>
>The index size is 2,994,176 bytes
>
>After Reindex is 2,161,152 bytes
>
>I think that is because are random generated.
>From what I've read about B-tree indexes, this can be the cause.

VFP tables are fixed width, so 16 bytes is 16 bytes regardless of how the data is generated.