TimesTen - Communication between two DSN

Hello

Currently I have a setup in Oracle DB in which there are two databases and objects are accessible in all of these databases via the link/synonyms database.

Now, I need to replicate that in a Cache Timesten InMemory DB underlying of Oracle databases configuration that would involve the creation of a link between two DSN names stored on two different servers.

Can you guide me on how to go about it.

Thank you
Karan

Unfortunately there are several constraints here that aren't going to help you:

1. when using the TimesTen "cache" feature a single TimesTen database can only cache data to a backend Oracle single instance. Only regular tables can be cached (not views, dblinks etc.). So, if you have two instances of Oracle Db and you need data in cache at the same time you will need two TimesTen databases.

2. as mentioned, TimesTen does not support dblinks, remote queries or queries/transactions distributed between various databases TimesTen (well, what he does in some circumstances, but anything that will help you I think).

3 TimesTen can replicate data between different databases TimesTen, but in general you can not use the level replication table with cache tables.

So I think, to adopt TimesTen in your application as an important architectural work may be necessary. Only you can be the judge of that, of course, but considering this please keep in mind the constraints above.

Kind regards

Chris

Tags: Database

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