Andrus,
Your first message said SQL Server, not Firebird so that's what I based my reply on. I don't have Firebird available to be able to tell you what to do there. I know that others have used it and they may be able to give you more help.
If you have a lot of data to move I'd recommend you use a BCP process rather than remote views. BCP is a couple of orders of magnitude faster.
>I'm planning to use Firebird SQL server and looked for upsizing into this.
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>I have tried VFP upsizing wizard with PostgreSQL and Firebird servers but it gives error message.
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>How to create VFP logical and date fields in remote views using Firebird SQL server ?