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Database Migration from PostgreSQL8.4 to Oracle12C


We are planning for migration from PostgreSQL 8.4 to Oracle12C for our applications JIRA and Confluence.

Current version of JIRA is 6.3.12 and we are planning to upgrade to latest available version.

Current version of Confluence is 5.6.4 and we are planning to upgrade to latest available version.

Could anyone suggest on how to plan for migrate from PostgreSQL to Oracle12C.

Does any one did this earlier? If so could you please share the steps on how we can start this activity..


1 comment

First, separate out "upgrade" from "change database".  You don't really want to do them at the same time.  You should always test these things, and if it all goes well, there is no problem booking one block of time to do both, but always do it one step at a time.


For the two docs on changing the database, and have a look at the standard "upgrade" docs for upgrading the two applications.

Also, using XML backup to change the Confluence DB will mess up favorites for users but you don't have another choice


Thank you Nic and Matt for your inputs. 

Also like to know, as we are migrating the data from PostgreSQL to Oracle 12C, are there any compatibility issues which I might come across ? Do I need to go from PostgresSQL 8.4 to Oracle 11g first and then to Oracle 12C ? Need your suggestions please.. shows the requirements for 6.3, e.g. no Oracle 12c. So if you upgrade to JIRA 7.2 say you are going to have to do it as a combination anyway.

XML export from 6.3 and postgres

New 7.2 install with Oracle 12c on a staging instance

XML import into 7.2


The problem is that postgres 8.4 is not supported in JIRA 7.2 either, so this one is going to involve more changes at once than Nic or I would recommend




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