oracle synchronization strategy

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От Randall Smith
Тема oracle synchronization strategy
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Msg-id rNjhd.22442$G15.16353@fed1read03
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Ответы Re: oracle synchronization strategy
Re: oracle synchronization strategy
Список pgsql-general
I am going to sync a schema in postgres with one in an oracle db.  The
tables are simple, but there are 200 of them.  I would like to try to
keep the sync lag < 1 minute.  Here is my idea.  Please critique/suggest.

1. Set up stored proc on oracle that records a INSERT, UPDATE, DELETE
SQL action taken on a table into a log table.
2. Program reads the log table on oracle and issues the same SQL command
on the postgres db.  In the same transaction, postgres writes to a log
showing the command has been executed.
3. The program will query the oracle log table on some frequency ~30
seconds.

What are your thoughts?

Randall

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