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securefile storage extent size question on upgraded databases

edited Apr 3, 2013 12:07AM in Database Administration (MOSC) 1 commentAnswered

It is understood that on a fresh clean database in 11.2.0.2 in order to use securefiles then LMT must be used and a certain number of blocks need to be used for each extent. This restriction was not mentioned in the Oracle Documentation "Oracle® Database SecureFiles and Large Objects Developer's Guide, 11g Release 2 (11.2), Part Number E10645-05" so some documentation bugs were created. Whenever a securefile is used, it requires at least 14 blocks per extent, so depending on the block size would depend on the size each extent needs to be. If securefiles are used, then it will use quite a bit of space.

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