Read workshop of 12c now

I have read the new features of 12c for DBA, today begin to read workshop for guides. I plan to read the workshop first, then read the new features again, and after that, I will take the upgrade test ...
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Object dependence in Oracle

This afternoon I implemented a change to add a column to a table, then Wintel team did some tasks and asked application team to verify the update. After some minutes we got a S2 ticket from the user ...
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