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PostgreSQL PGCES-02 Exam - Topic 2 Question 81 Discussion

What does the following command do? Choose one incorrect statement from the selection below.$ pg_dumpall -U postgres > 20060601.bak
B) Backup postgresql.conf along with databases.
A) Backup all the databases in a database cluster.
C) Backup with plain-text format.
D) Backup user and group information along with databases.
E) You can access databases while the backup is in process.

PostgreSQL PGCES-02 Exam - Topic 2 Question 81 Discussion

Actual exam question for PostgreSQL's PGCES-02 exam
Question #: 81
Topic #: 2
[All PGCES-02 Questions]

What does the following command do? Choose one incorrect statement from the selection below.

$ pg_dumpall -U postgres > 20060601.bak

Show Suggested Answer Hide Answer
Suggested Answer: B

by Melynda at Feb 06, 2025, 02:36 AM

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Na
7 months ago
C is misleading, it's not plain-text format.
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Chu
8 months ago
I thought you couldn't access databases during the backup.
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Shaun
8 months ago
Wait, does it really back up postgresql.conf?
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Brinda
8 months ago
Totally agree, A is correct!
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Jarvis
8 months ago
It backs up all databases in the cluster.
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Deangelo
9 months ago
I’m a bit confused about option E; I thought you could still access databases during the backup, but I’m not entirely sure.
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Gracia
9 months ago
I practiced a similar question, and I feel like option C might be misleading since it does create a plain-text backup.
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Mozelle
9 months ago
I think option B is the incorrect statement because pg_dumpall doesn't back up configuration files, just the databases and user info.
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Aja
9 months ago
I remember pg_dumpall is used for backing up all databases, but I'm not sure if it includes the configuration files like postgresql.conf.
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Tequila
9 months ago
This is a straightforward backup command. The only thing that seems off is the backup format - it's creating a plain-text backup, not a binary one. So I think the incorrect statement is C.
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Paris
9 months ago
Okay, let me think this through. The command is running as the postgres user, so it should have the necessary permissions to backup everything. I'm guessing the incorrect statement is E - you can't access the databases while the backup is in progress.
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Alva
9 months ago
Ah, I've used this command before. It creates a plain-text backup of all the databases in the cluster, which is option C. I'm pretty confident that's the incorrect statement here.
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Hyun
9 months ago
I'm a bit confused by this question. Does the command backup the entire database cluster or just a single database? I'm not sure which statement is incorrect.
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Carin
9 months ago
Hmm, this looks like a PostgreSQL backup command. I think the correct answer is B - it doesn't backup the postgresql.conf file along with the databases.
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Ruth
1 year ago
I believe the correct answer is E) You can access databases while the backup is in process.
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Danica
1 year ago
I agree with Deonna, option B is incorrect because pg_dumpall only backs up databases.
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Deonna
1 year ago
I think the incorrect statement is B) Backup postgresql.conf along with databases.
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Val
1 year ago
I'm going with Option A as the correct answer. Backing up all the databases in a cluster? That's like having a master key that can unlock every door in the building. Convenient, but also a bit risky if it falls into the wrong hands.
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Rosalyn
1 year ago
User4: I'm going with Option C. It doesn't backup in plain-text format.
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Raina
1 year ago
User3: I believe Option D is incorrect. It doesn't backup user and group information.
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Stephanie
1 year ago
User2: I agree with User1. Option B seems like the incorrect statement.
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Tesha
1 year ago
User1: I think Option A is incorrect. It doesn't backup postgresql.conf.
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Herminia
1 year ago
Ah, Option C is the winner! Backing up in plain-text format? That's like storing your secret recipes in an open cookbook, not very secure if you ask me.
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Isadora
1 year ago
Hmm, I think Option B is wrong. Why would you need to backup the configuration file along with the databases? That's like packing your suitcase with the hotel room key when you go on vacation.
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Micaela
1 year ago
User 4: Option B seems like a distraction from the main purpose of the backup.
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Valentin
1 year ago
User 3: I agree, the focus should be on the databases themselves.
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Kyoko
1 year ago
User 2: Yeah, it's like carrying unnecessary baggage.
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Dorthy
1 year ago
User 1: Option B is incorrect because you don't need to backup the configuration file.
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Jerilyn
1 year ago
Option E is clearly incorrect. You can't access databases while the backup is in progress. That would be like trying to take a selfie while skydiving - not a good idea!
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Karon
1 year ago
A) Backup all the databases in a database cluster.
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Karon
1 year ago
E) You can access databases while the backup is in process.
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