How can I used Streams?

I have one source database(RAC).
and four destination database.
Now , I used materialed view for replicate tables.
I'll change to oracle steams.
How can I do?
please introduce me

Surachart,
A basic setup would consist of a capture process and four propagation processes on the source database, and four apply processes at the targets.
Uni-directional streams and less moving parts and is thus easier to manage than bi-directional.
You shouild experiment by replicating a dummy table containing a few columns until you are clear about the roles of the various processes and the commands to manipulate them.
Check out the "WeDoStreams" blog for some easy to follow tutorials on streams steup, of various levels of complexity.
Rgds
Mark Teehan
Singapore

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