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Hi, I want to know that how many i/o oracle will do to update 5 rows as result of the Update ... where ... ; statement. assume that the row has 10 column , the row being update is part of two indexes and oracle is using cost based optimzer and the blevel of the index is three and the db_block_size is 4k.
I appreciate if someone give me exactly what oracle do process the UPDATE request and how many i/o will happens because of that
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Received on Wed May 24 2000 - 00:00:00 CDT