balaraju mandala wrote:
In my application there is a situation is arising, where i need to take
some
data to MySql from a table which is in Oracle database (i am planning to
maintain that data in MySQL also). And from MySQL my application will use
it. This whole thing should be happen online.That is once some new data was
inserted to Oracle table, that should update in MySQL table also.
Can't you just make your app connect directly to Oracle ? You'll drawn
in lots of sync issues if you don't, specially if your app updates the
database with data provided from Oracle.
Take this example: the user updates something, it goes to Oracle, than
MySQL. Your system update lots of things out of it. Than, the user
realizes he's wrong and update again the record, and some of your
updates might not work, other things were deleted that shouldn't
according to your business model.
I'm not saying you will have this problem, I'm just saying you might
consider it before doing the Oracle-MySQL connector. Btw, I don't know
any connector, and don't think a trigger on Oracle will work either.
You'll probably have to live with a daemon replicating every 10 seconds
or so.
cheers,
--renato
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