Oracle
1Z0-082 · Question #138
Which three statements are true about data block storage in an Oracle Database?
The correct answer is A. A block header contains a row directory pointing to all rows in the block. D. A data block header is of a fixed length. See the full explanation below for the reasoning.
Storage Structures
Question
Which three statements are true about data block storage in an Oracle Database?
Options
- AA block header contains a row directory pointing to all rows in the block.
- BAn index block can contain row data.
- CRow data is stored starting at the end of the block.
- DA data block header is of a fixed length.
- EA table block must always contain row data.
How the community answered
(21 responses)- A76% (16)
- B5% (1)
- C14% (3)
- E5% (1)
Topics
#data block structure#block header#row directory#Oracle storage
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