It will validate the database container also. You don't need a licence for each user, only one licence per developper. You can distribute the metadata and include the SDT classes in your application without additional cost.

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>I just looked description of the tool, you have mentioned above
>It seems to me it does validating tables structure, but not VFP database container, also I will have to buy it to all my company users ( 100-1000 of them)
>It increase the price of the product.
>Any way, thanks a lot, I shall think about it