Thank You, Sylvain. I appreciate you help.

>I have created a new database with two tables in it in VFP 6. After I generated the referential integrity between the tables.
>
>I can access and modify this database afterward without any problems in VFP 5.
>
>>Are any data compatibility problems between VFP6 and VFP5? I mean, if I modify table/database structure in VFP6, or even create new table from scratch there, will it pose any problem working with this data from VFP5 application?