Replication
can be done both ways, regardless
of what Sybase or Oracle or whoever are saying. But it isn't
easy, you won't find off-the-shelf solutions, and you might
not get support from your vendor.
But I've implemented two way replication between 4 (!) Sybase
servers, purely on a database level (no non-database programs
were written except to present status information).
Don't think it was simple though. In total, it took about 18
months of work. It's hard to get everything right!
Abigail
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