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Oracle 5
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_______is the smallest unit of I/O used by database.
Options
- Touple
- Table
- Data Block
- Information
CORRECT ANSWER : Data Block
Discussion Board
Data block
Data block is the smallest unit of I/O used by database. Data block is the optimum level of storage. Data blocks are also called logical blocks, Oracle blocks, or pages. At the finest level of granularity, Oracle stores data in data blocks. A data block corresponds to a specific number of bytes of physical database space on disk.
Prajakta Pandit 03-2-2017 12:27 AM
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