What is Data Block ?

ORACLE database's data is stored in data blocks. One data block corresponds to a specific number of bytes of physical database space on disk.

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gaurav_varma

  • Jan 10th, 2007
 

Data Block:

At the finest level of granularity, Oracle stores data in data blocks (also called logical blocks, Oracle blocks, or pages). One data block corresponds to a specific number of bytes of physical database space on disk.

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C.Ramesh

  • Oct 27th, 2007
 

Oracle Data Blocks is logical storage unit of Oracle and One Oracle Data Blocks containts multiple of Operating system Blocks. Data blocks contains contigous of Bytes.

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matabrez

  • Jan 10th, 2011
 

Smallest logical of Oracle database. In Oracle 10g default data block size is 8192 byres means 8k.
Other data block size are 2k, 4k, 8k, 16k, 32k
We have only these available data blocks in oracle database.

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