How Replication works ?

Hi All,
How ORacle Replication works?
Does it sending statement to Mview site and later MView site execute it.
OR
It send the data for a statement from Master site to Mview site.
Example -
A delete of records in the Master Site , how will it replicate to Mview Site?
Thanks.

great Thank you!
Ok i have few question now:
Q1
Can i have 2 kinds of MV within the same database. A fast refreshed, update-able one and a read-only full-refreshed one? i am talking in a replication set-up. (client site and master site setup that is]. i want the user to be abel to be able to make changes -made to table1 and table2 for example-- and sync back with the master using fast (hot) refresh every 1 week. I also want the user to have to have access to a read only replica [table3] which is an agregate and summary of some table residing on the server for reporting purpose. Can i have this setup the client.
Can i fast refresh one table 1 and 2 and also full refresh table 3 from the same client?
Q2
Do i do that be defining Groups of MV objects or a similar concept?
Q3:
If the answer is for Q1, can I design an offline (built nightly) deployment template to included all tables [1 2 and 3] so that a client can download the whole setup in the morning using one download and not 2? Would the read-only replica blow up my fast refresh-able one, since it does thing from scratch?
One last question:
Can you thing of a scenario whereby i must do a full refresh on a fast-refresh MV and if so what would be the implications
Thank you so very much
MSA

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