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Oracle Exam 1Z0-084 Topic 10 Question 13 Discussion

Actual exam question for Oracle's 1Z0-084 exam
Question #: 13
Topic #: 10
[All 1Z0-084 Questions]

Examine this statement and its corresponding execution plan:

Which phase introduces the CONCATENATION step?

Show Suggested Answer Hide Answer
Suggested Answer: D

To transport performance data from an Oracle Database Standard Edition, which uses Statspack, to an Enterprise Edition database, which uses AWR, you must consider the compatibility of data structures and repository schemas between these tools. The recommended method is:

D (Correct): Export the data using the exp utility with a parameter file appropriate for Statspack (like spuexp.par) from the Statspack repository and import it into a dedicated Statspack schema on the destination. Since Statspack and AWR use different schemas, it's not recommended to import Statspack data directly into the AWR repository.

The other options are incorrect because:

A (Incorrect): expdp is not designed to export from Statspack, and awrload is intended for loading from an AWR export file, not a Statspack export.

B (Incorrect): Although expdp and impdp are used for exporting and importing data, the AWR repository schema is different from the Statspack schema, so importing Statspack data directly into the AWR repository is not recommended.

C (Incorrect): Using expdp to export from Statspack and then importing directly into the AWR repository is not the correct approach due to the schema differences between Statspack and AWR.


Oracle Database Performance Tuning Guide: Migrating from Statspack to AWR

Contribute your Thoughts:

Linn
11 days ago
Ooh, this one's tricky. I'm tempted to say D) SQL Transformation, but the wording about 'introduces' makes me think it's earlier in the process. I'll go with C) SQL Row Source Generation.
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Lachelle
17 days ago
Hmm, the CONCATENATION step seems to be a giveaway. I'm going to go with C) SQL Row Source Generation. That's where the plan gets put together, right?
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Terry
18 days ago
Hmm, that's interesting. Can you explain why you think that?
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Laurel
20 days ago
I disagree, I believe it happens during SQL Execution.
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Terry
25 days ago
I think the CONCATENATION step is introduced during SQL Row Source Generation.
upvoted 0 times
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