Oracle
1Z0-082 · Question #12
1Z0-082 Question #12: Real Exam Question with Answer & Explanation
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Question
Which three statements are true about undo segments and the use of undo by transactions in an Oracle database instance? (Choose three.)
Options
- AAn undo segment may be used by multiple transactions simultaneously
- BUndo segments can wrap around to the first extent when a transaction fills the last extend of the
- CUndo segments have a minimum of three extents
- DUndo segments can extend when a transaction fills the last extent of the undo segment
- EA single transaction may use multiple undo segments simultaneously
- FUndo segments must be stored in a BIGFILE tablespace
- GUndo segments must be stored in a SMALLFILE tablespace
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