APEX Training

Friday, 29 May 2009

Switch between Apex Versions

This is a part of the apex documentation but the fact is the most of us simply don't know about it. I have several customers and those customers have different versions of Apex installed. I am using XE on my Laptop to develop their applications. Therefore I need to be able to use different versions of apex simultaneously. With a help of the two simple scripts wrapped into an executable, I can switch between the versions in seconds:

ALTER SESSION SET CURRENT_SCHEMA = FLOWS_030000;
exec flows_030000.wwv_flow_upgrade.switch_schemas('APEX_030200','FLOWS_030000');

to switch to the version 3.0.1 and

ALTER SESSION SET CURRENT_SCHEMA = APEX_030200;
exec apex_030200.wwv_flow_upgrade.switch_schemas('FLOWS_030000','APEX_030200');

to go back to the latest release 3.2.

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