READ Free Dumps For Oracle- 1z0-023
| Question ID 8859 | In order to guarantee a minimum number of concurrent updates on a data block, which parameter do you need to set?
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| Option A | PCTFREE
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| Option B | INITRANS
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| Option C | MAXTRANS
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| Option D | MIN_SESSIONS
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| Correct Answer | B |
Explanation Explanation/Reference: Explanation: Answer B is correct. INITRANS parameter guarantees a minimum number of concurrent updates on a table block. Incorrect Answers: A: PCTFREE parameter is used to specify the amount of space left free in each block to accommodate the growth of existing rows in the block. C: MAXTRANS provides maximum number of concurrent updates on a data block. D: There is no MIN_SESSION parameter in Oracle. Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 350-352 Chapter 7: Managing the Physical Database Structure
| Question ID 8860 | Which two parameters might affect the concurrency of transactions on a data block? (Choose two)
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| Option A | PCTUSED
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| Option B | PCTFREE
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| Option C | MAX_EXTENT
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| Option D | NEXT_EXTENT
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| Correct Answer | BC |
Explanation Explanation/Reference: Explanation: Answers B and C are correct. PCTFEE and MAX_EXTENT parameters can affect the concurrency of transactions on a data block. Incorrect Answers: A: PCTUSED parameter cannot affect the concurrency of transactions. D: NEXT_EXTENT just provide size of next allocated extent, it has nothing to do with the concurrency of transactions. Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 350-352 Chapter 7: Managing the Physical Database Structure