Upgrading from Firebird V1.5 to V2.5
Attached is a document describing the process of upgrading Firebird from V1.5 to V2.5 for both 32 and 64 bit platforms.
The download is available from http://www.ostendo.info/downloads/firebird/firebird25.exe
Firebird 1.5 is available for download from the attachment to this article
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