PostgreSQL Exam PGCES-02 Topic 11 Question 26 Discussion

Actual exam question for PostgreSQL's PGCES-02 exam

Question #: 26
Topic #: 11

Select the correct SQL statement that records the space occupied by deleted or updated rows for later reuse, and also updates statistics.

AVACUUM

BVACUUM ANALYZE

CEXPLAIN

DEXPLAIN ANALYZE

ENOTIFY

Show Suggested Answer

Suggested Answer: A

by Theola at May 30, 2022, 09:07 AM

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Felix

3 months ago

B) VACUUM ANALYZE - the one that cleans up and updates the stats. Perfect for keeping my database running smooth like a well-oiled machine!

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Kiley

1 months ago

User 3: Yes, VACUUM ANALYZE is the one that keeps the database running smoothly.

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Magda

2 months ago

User 2: I believe it's VACUUM ANALYZE, it not only cleans up but also updates the stats.

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Sean

2 months ago

User 1: I think the correct SQL statement is VACUUM.

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Melissa

3 months ago

NOTIFY? I'll just send a carrier pigeon to let the database know it's time for a cleanup.

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Daisy

3 months ago

EXPLAIN ANALYZE? I prefer to just 'explain' to my boss why the database is slow.

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Vesta

17 days ago

VACUUM is important for reclaiming space and maintaining database performance.

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Solange

17 days ago

I find it easier to just run EXPLAIN and explain the query plan to my team.

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Stefany

19 days ago

EXPLAIN ANALYZE provides detailed execution information, it's useful for performance tuning.

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Verda

20 days ago

I usually run VACUUM ANALYZE to optimize the database performance.

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Timmy

21 days ago

E) NOTIFY

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Weldon

22 days ago

D) EXPLAIN ANALYZE

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Tamekia

23 days ago

C) EXPLAIN

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Marcos

25 days ago

B) VACUUM ANALYZE

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Rozella

26 days ago

A) VACUUM

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Lorriane

27 days ago

I think VACUUM ANALYZE is the best option for maintaining database performance.

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Alfred

28 days ago

I always use VACUUM ANALYZE to make sure my database is running efficiently.

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Stevie

1 months ago

VACUUM ANALYZE is the correct statement to use for optimizing the database.

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Sage

1 months ago

D) EXPLAIN ANALYZE

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Micah

2 months ago

C) EXPLAIN

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Otis

2 months ago

B) VACUUM ANALYZE

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Bettye

2 months ago

A) VACUUM

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Mignon

3 months ago

VACUUM ANALYZE? Gotta keep that database in tip-top shape, am I right?

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Lemuel

3 months ago

VACUUM? Sounds like I'm cleaning my room, not my database!

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Winfred

2 months ago

E) NOTIFY

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Cassandra

3 months ago

B) VACUUM ANALYZE

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Frankie

3 months ago

A) VACUUM

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Lilli

3 months ago

I'm not sure, but I think it might be B) VACUUM ANALYZE because it also updates statistics.

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Lynsey

4 months ago

I agree with Thomasena, VACUUM is used to reclaim space and update statistics.

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Thomasena

4 months ago

I think the correct answer is A) VACUUM.

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