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PostgreSQL PGCES-02 Exam - Topic 5 Question 8 Discussion

Select two correct statements from below concerning the ANALYZE command.
A) It renews the statistical information of the table content. and D) If ANALYZE is insufficient, the most efficient search plan will not be selected for queries.
B) It takes some time to execute, but it does not lock the table.
C) If the FULL option is used when executing, the size of the file can be reduced.
E) If ANALYZE is not used at all, there are times when it becomes impossible to see any of the data.

PostgreSQL PGCES-02 Exam - Topic 5 Question 8 Discussion

Actual exam question for PostgreSQL's PGCES-02 exam
Question #: 8
Topic #: 5
[All PGCES-02 Questions]

Select two correct statements from below concerning the ANALYZE command.

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Suggested Answer: A, D

by Heike at May 07, 2022, 01:41 PM

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Amie
8 months ago
E? Really? Can't see data at all? That’s surprising!
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Val
8 months ago
D makes sense, poor plans without ANALYZE.
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Ashley
9 months ago
C seems off, not sure about file size reduction.
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Dalene
9 months ago
B sounds right, no locks during execution.
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Daron
9 months ago
A is definitely true, it updates stats.
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Princess
9 months ago
I’m a bit confused about E; I thought it just affected performance, not visibility of data.
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Rozella
9 months ago
I practiced a similar question, and I feel like D is also a good choice because if ANALYZE isn't done, the query planner might struggle.
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Kenda
9 months ago
I'm not entirely sure, but I think B might be right too since I recall it doesn't lock the table during execution.
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Merilyn
9 months ago
I remember that the ANALYZE command updates statistics, so I think A is definitely correct.
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Allene
9 months ago
This seems like a straightforward question about rolling back a corrupt virus-pattern file. I think the key is to identify which components need to be rolled back together.
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Adela
9 months ago
I'm a bit confused by the wording of this question. I'll need to re-read it a few times and consider each option before making a decision.
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Keith
9 months ago
This question seems pretty straightforward. I think the key is to identify which option is an example of a service action.
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Naomi
10 months ago
This is a good question. I'm pretty confident the answer is either B (senior management) or C (information security manager). Those roles would be accountable for ensuring the proper incident response procedures are in place across the organization.
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Nobuko
10 months ago
Hmm, I'm a bit unsure about this one. The options seem to cover different aspects of identity management, but I'm not totally clear on how they all fit together. I'll need to review my notes to make sure I understand the full lifecycle.
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