Hi,

This sounds like a custom data synchronization solution. To support
that, you either need a way to read from the transaction log, or you
have to build this system yourself using a trigger / triggers.

Reading from the transaction log would be nice, but there are
problems: the "old data" is not stored in the transaction log when
deleting or updating (well, actually it is, in the form of compressed
page backups, but that's hard to parse).

There is a feature request "Support a special trigger on all tables".
I will increase the priority. It would allow you to build a
transaction log writer / reader / shipping mechanism. Would that be a
solution for your problem? Currently you need to create a trigger for
each table, which is quite a lot of work.

Regards,
Thomas

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