>Dear sir/madam
>
>As a software developer I have to change dbf file its structure at my clients place from time to time. Is there any way so that I can just write a small programme and run in clients computer and all the changes required it done automatically.
>
>The changes include creating & rmoving index tag, changing size of fields and adding new fields , relation, etc.
>
>Present I have to do all these thing manually. If throug coding it is possible please suggest and help.

Have a look at ALTER TABLE, DROP TAG, DROP RELATION and so on. Have a look at Help: Reference/Language Reference/Language Categories/Database for a list of commands to manipulate table related data.

HTH

Agnes