great stuff with firebird: enjoy now transaction with image blobs.
A small easy, and clear example of how to build complex UNDO, without paying the penalty.
The new example:
- insert four images,
- allow full inspection
- go back to a decided olympic point, and do inspection
- go back to a golden league point, give the winner image on file.
The two previous examples, (Blobs & Tabular Db)
are in the new zip.
Next fun, use Message Digest to build a database of "real unique images", in a SHA1 or MD5 sense.
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