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interview question perhaphs :-)
Hi
I am a OCP DBA :-) and i do not know the answers to this questions..all of you are welcome to cricize me :-) for askin this simple question..but i have serached the docs before askin this ?
here goes my 2 questions
1)when is the SCN assigned to a transaction..immediately after a commit is issued or after the contents of the redolog buffer are flushed to the disk
2)when you have row migration why does oracle keep a pointer in the block to the row where it has moved now ?
regards
Hrishy
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