The book one shot with index block clears up my fuzzy and wrong concept about index; i know that index is stored in separate tablespace but showhow got an image that ordering index is same as ordering table :p.
The book one short with simple sentence clears up my concept about cursor, it just a memory to hold the querry data :p, much better than other books which cannot seem to give a clear and simple concept.
I am scanning the book because it is a reference book and got a lot of goodies.
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